Locations
Full Gazetteer:
| Names Sort descending | See |
|---|---|
| O'Fallon, St. Charles Co., Missouri (United States) | St. Louis Metropolitan Area, Missouri |
| O'Neill, Holt Co., Nebraska (United States) | O'Neill, Holt Co., Nebraska |
| Oak Creek, Milwaukee Co., Wisconsin (United States) | Milwaukee Metropolitan Area, Wisconsin |
| Oak Creek, Routt Co., Colorado (United States) | Steamboat Springs, Routt Co., Colorado |
| Oak Harbor, Island Co., Washington (United States) | Whidbey Island, Washington |
| Oak Harbor, Ottawa Co., Ohio (United States) | Oak Harbor, Ottawa Co., Ohio |
| Oakdale, Stanislaus Co., California (United States) | Modesto Metropolitan Area, California |
| Oakdale, Washington Co., Minnesota (United States) | Minneapolis / St. Paul Metropolitan Area, Minnesota |
| Oakhurst, Madera Co., California (United States) | Madera, Madera Co., California |
| Oakland, Alameda Co., California (United States) | Oakland Metropolitan Area, California |
| Oakley, Logan Co., Kansas (United States) | Oakley, Logan Co., Kansas |
| Oakley, Lucas Co., Iowa (United States) | Lucas County, Iowa |
| Oakley, Saginaw Co., Michigan (United States) | Chesaning, Saginaw Co., Michigan |
| Oakridge, Lane Co., Oregon (United States) | Oakridge, Lane Co., Oregon |
| Ober-Bessingen, Kr. Gießen, Hessen (Germany) | Ober-Bessingen, Kr. Gießen, Hessen |
| Ober-Breidenbach, Kr. Vogelsberg, Hessen (Germany) | Ober-Breidenbach, Kr. Vogelsberg, Hessen |
| Ober-Dorf (Daughter Colonies) | Oberdorf |
| Ober-Eschbach, Kr. Hochtaunus, Hessen (Germany) | Ober-Eschbach, Kr. Hochtaunus, Hessen |
| Ober-Hilbersheim, Kr. Mainz-Bingen, Rheinland-Pfalz (Germany) | Hilbersheim, Kr. Mainz-Bingen, Rheinland-Pfalz |
| Ober-Hollstein (Original Colonies) | Dinkel |
| Ober-Klingen, Kr. Darmstadt-Dieburg, Hessen (Germany) | Ober-Klingen, Kr. Darmstadt-Dieburg, Hessen |
| Ober-Lais, Kr. Wetterau, Hessen (Germany) | Ober-Lais, Kr. Wetterau, Hessen |
| Ober-Mockstadt, Kr. Wetterau, Hessen (Germany) | Ober-Mockstadt, Kr. Wetterau, Hessen |
| Ober-Monjou (Original Colonies) | Ober-Monjou |
| Ober-Monjour (Original Colonies) | Ober-Monjou |
| Ober-Mörlen, Kr. Wetterau, Hessen (Germany) | Ober-Mörlen, Kr. Wetterau, Hessen |
| Ober-Ohmen, Kr. Vogelsberg, Hessen (Germany) | Ober-Ohmen, Kr. Vogelsberg, Hessen |
| Ober-Ramstadt, Kr. Darmstadt-Dieberg, Hessen (Germany) | Ober-Ramstadt, Kr. Darmstadt-Dieberg, Hessen |
| Ober-Schönmattenweg, Kr. Bergstraße, Hessen (Germany) | Ober-Schönmattenweg, Kr. Bergstraße, Hessen |
| Ober-Wöllstadt, Kr. Wetterau, Hessen (Germany) | Ober-Wöllstadt, Kr. Wetterau, Hessen |
| Oberaltenbernheim, Kr. Neustadt an der Aisch-Bad Windsheim, Bayern (Germany) | Oberaltenbernheim, Kr. Neustadt an der Aisch-Bad Windsheim, Bayern |
| Oberalterheim, Kr. Würzburg, Bayern (Germany) | Oberalterheim, Kr. Würzburg, Bayern |
| Oberappenfeld, Kr. Schwalm-Eder, Hessen (Germany) | Appenfeld, Kr. Schwalm-Eder, Hessen |
| Oberau bei Büdingen, Kr. Wetterau, Hessen (Germany) | Oberau bei Büdingen, Kr. Wetterau, Hessen |
| Oberaula, Kr. Schwalm-Eder, Hessen (Germany) | Oberaula, Kr. Schwalm-Eder, Hessen |
| Oberaula, Kr. Schwalm-Eder, Hessen (Germany) | Oberaula, Kr. Schwalm-Eder, Hessen |
| Oberbrechen, Kr. Limburg-Weilburg, Hessen (Germany) | Oberbrechen, Kr. Limburg-Weilburg, Hessen |
| Oberderdingen, Kr. Karlsruhe, Baden-Württemberg (Germany) | Oberderdingen, Kr. Karlsruhe, Baden-Württemberg |
| Oberdiebach, Kr. Mainz-Bingen, Rheinland-Pfalz (Germany) | Oberdiebach, Kr. Mainz-Bingen, Rheinland-Pfalz |
| Oberdorf (Daughter Colonies) | Oberdorf |
| Obereisesheim, Kr. Heilbronn, Baden-Württemberg (Germany) | Obereisesheim, Kr. Heilbronn, Baden-Württemberg |
| Oberelbert, Kr. Westerwald, Rheinland-Pfalz (Germany) | Oberelbert, Kr. Westerwald, Rheinland-Pfalz |
| Oberflockenbach, Kr. Rhein-Neckar, Baden-Württemberg (Germany) | Oberflockenbach, Kr. Rhein-Neckar, Baden-Württemberg |
| Obergreuth, Kr. Bamberg, Bayern (Germany) | Obergreuth, Kr. Bamberg, Bayern |
| Oberhaunstadt, (Stadt) Ingolstadt, Bayern (Germany) | Oberhaunstadt, (Stadt) Ingolstadt, Bayern |
| Oberhausen bei Kirn, Kr. Bad Kreuznach, Rheinland-Pfalz (Germany) | Oberhausen bei Kirn, Kr. Bad Kreuznach, Rheinland-Pfalz |
| Oberhausen, Kr. Fulda, Hessen (Germany) | Oberhausen, Kr. Fulda, Hessen |
| Oberhausen, Kr. Karlsruhe, Baden-Württemberg (Germany) | Oberhausen, Kr. Karlsruhe, Baden-Württemberg |
| Oberhöchstadt, Kr. Hochtaunus, Hessen (Germany) | Oberhöchstadt, Kr. Hochtaunus, Hessen |
| Oberholstein (Original Colonies) | Dinkel |
| Oberkirch (Baden), Kr. Ortenau, Baden-Württemberg (Germany) | Oberkirch (Baden), Kr. Ortenau, Baden-Württemberg |
| Oberkleen, Kr. Gießen, Hessen (Germany) | Oberkleen, Kr. Gießen, Hessen |
| Oberlais, Kr. Wetterau, Hessen (Germany) | Ober-Lais, Kr. Wetterau, Hessen |
| Oberleinach, Kr. Würzburg, Bayern (Germany) | Oberleinach, Kr. Würzburg, Bayern |
| Oberlin, Decatur Co., Kansas (United States) | Oberlin, Decatur Co., Kansas |
| Obermeilingen, Kr. Rheingau-Taunus, Hessen (Germany) | Obermeilingen, Kr. Rheingau-Taunus, Hessen |
| Obermohr, Kr. Kaiserslautern, Rheinland-Pfalz (Germany) | Obermohr, Kr. Kaiserslautern, Rheinland-Pfalz |
| Obermonjou (Original Colonies) | Ober-Monjou |
| Obermörsbach, Kr. Westerwald, Rheinland-Pfalz (Germany) | Obermörsbach, Kr. Westerwald, Rheinland-Pfalz |
| Obermunjour (Original Colonies) | Ober-Monjou |
| Obernau, Kr. Altenkirchen, Rheinland-Pfalz (Germany) | Obernau, Kr. Altenkirchen, Rheinland-Pfalz |
| Obernberg (Original Colonies) | Jost |
| Obernzenn, Kr. Neustadt an der Aisch-Bad Windsheim, Bayern (Germany) | Obernzenn, Kr. Neustadt an der Aisch-Bad Windsheim, Bayern |
| Oberreichenbach, Kr. Main-Kinzig, Hessen (Germany) | Oberreichenbach, Kr. Main-Kinzig, Hessen |
| Oberrohn, Kr. Wartburg, Thüringen (Germany) | Oberrohn, Kr. Wartburg, Thüringen |
| Oberroth, Kr. Neu-Ulm, Bayern (Germany) | Oberroth, Kr. Neu-Ulm, Bayern |
| Obersdorf (Daughter Colonies) | Oberdorf |
| Obersinn, Kr. Main-Spessart, Bayern (Germany) | Obersinn, Kr. Main-Spessart, Bayern |
| Obersotzbach, Kr. Main-Kinzig, Hessen (Germany) | Obersotzbach, Kr. Main-Kinzig, Hessen |
| Oberstein, Kr. Birkenfeld, Rheinland-Pfalz (Germany) | Oberstein, Kr. Birkenfeld, Rheinland-Pfalz |
| Obertiefenbach, Kr. Rhein-Lahn, Hessen (Germany) | Obertiefenbach, Kr. Rhein-Lahn, Hessen |
| Oberursel (Taunus), Kr. Hochtaunus, Hessen (Germany) | Oberursel (Taunus), Kr. Hochtaunus, Hessen |
| Oberweid, Kr. Schmalkalden-Meiningen, Thüringen (Germany) | Oberweid, Kr. Schmalkalden-Meiningen, Thüringen |
| Oberwetz, Kr. Lahn-Dill, Hessen (Germany) | Oberwetz, Kr. Lahn-Dill, Hessen |
| Oberzell, Kr. Main-Kinzig, Hessen (Germany) | Oberzell, Kr. Main-Kinzig, Hessen |
| Obrigheim, Kr. Neckar Odenwald, Baden-Württemberg (Germany) | Obrigheim, Kr. Neckar Odenwald, Baden-Württemberg |
| Ocala, Marion Co., Florida (United States) | Ocala, Marion Co., Florida |
| Oceanside, San Diego Co., California (United States) | San Diego Metropolitan Area, California |
| Ochsenbach (Sachsenheim), Kr. Ludwigsburg, Baden-Württemberg (Germany) | Ochsenbach (Sachsenheim), Kr. Ludwigsburg, Baden-Württemberg |
| Ochsenburg, Kr. Heilbronn, Baden-Württemberg (Germany) | Ochsenburg, Kr. Heilbronn, Baden-Württemberg |
| Ochsenfurt, Kr. Würzburg, Bayern (Germany) | Ochsenfurt, Kr. Würzburg, Bayern |
| Ochsenhausen, Kr. Biberach, Baden-Württemberg (Germany) | Ochsenhausen, Kr. Biberach, Baden-Württemberg |
| Ochsenthal, Kr. Bad Kissingen, Bayern (Germany) | Ochsenthal, Kr. Bad Kissingen, Bayern |
| Ockstadt, Kr. Wetterau, Hessen (Germany) | Ockstadt, Kr. Wetterau, Hessen |
| Oconee, Platte Co., Nebraska (United States) | Monroe, Platte Co., Nebraska |
| Oconto, Oconto Co., Wisconsin (United States) | Oconto, Oconto Co., Wisconsin |
| Odell, Gage Co., Nebraska (United States) | Odell, Gage Co., Nebraska |
| Ödengesäß (bei Nassig), Kr. Main-Tauber, Baden-Württemberg (Germany) | Ödengesäß (bei Nassig), Kr. Main-Tauber, Baden-Württemberg |
| Odessa, Ector Co., Texas (United States) | Odessa - Midland Corridor, Texas |
| Odessa, Lafayette Co., Missouri (United States) | Kansas City Metropoilitan Area, Kansas / Missouri |
| Odessa, Lincoln Co., Washington (United States) | Odessa, Lincoln Co., Washington |
| Odessa, Regina (Canada) | Odessa, Saskatchewan |
| Odin, Barton Co., Kansas (United States) | Claflin, Barton Co., Kansas |
| Oelwein, Fayette Co., Iowa (United States) | Oelwein, Fayette Co., Iowa |
| Oerlenbach, Kr. Bad Kissingen, Bayern (Germany) | Örlenbach, Kr. Bad Kissingen, Bayern |
| Offenbach am Main (Stadt), Hessen (Germany) | Offenbach am Main (Stadt), Hessen |
| Offenbach an der Queich, Kr. Südliche Weinstraße, Rheinland-Pfalz (Germany) | Offenbach an der Queich, Kr. Südliche Weinstraße, Rheinland-Pfalz |
| Offerle, Edwards Co., Kansas (United States) | Offerle, Edwards Co., Kansas |
| Oftersheim, Kr. Rhein-Neckar, Baden-Württemberg (Germany) | Oftersheim, Kr. Rhein-Neckar, Baden-Württemberg |
| Ogallah, Trego Co., Kansas (United States) | Ogallah, Trego Co., Kansas |
| Ogallala, Keith Co., Nebraska (United States) | Ogallala, Keith Co., Nebraska |
| Ogden, Weber Co., Utah (United States) | Ogden, Weber Co., Utah |
| Ohio, Blaine Co., Oklahoma (United States) | Ohio, Blaine Co., Oklahoma |
| Ohrdruf, Kr. Gotha, Thüringen (Germany) | Ohrdruf, Kr. Gotha, Thüringen |
| Öhringen, Kr. Hohenlohe, Baden-Württemberg (Germany) | Öhringen, Kr. Hohenlohe, Baden-Württemberg |
| Öhringen, Kr. Hohenlohe, Baden-Württemberg (Post-1941) (Germany) | Öhringen, Kr. Hohenlohe, Baden-Württemberg (Post-1941) |
| Ohrnberg, Kr. Hohenlohe, Baden-Württemberg (Germany) | Ohrnberg, Kr. Hohenlohe, Baden-Württemberg |
| Ojai, Ventura Co., California (United States) | Los Angeles Metropolitan Area, California |
| Okeene, Blaine Co., Oklahoma (United States) | Okeene, Blaine Co., Oklahoma |
| Okemah, Okfuskee Co., Oklahoma (United States) | Okemah, Okfuskee Co., Oklahoma |
| Oklahoma City, Oklahoma Co., Oklahoma (United States) | Oklahoma City Metropolitan Area, Oklahoma |
| Okmulgee, Okmulgee Co., Oklahoma (United States) | Okmulgee, Okmulgee Co., Oklahoma |
| Oksanowka, Astrakhan District, Zelinograd Region (Kazakhstan) | Oxanovka, Astrakhan District, Zelinograd Region, Kazakhstan |
| Oktyabrskoye (Daughter Colonies) | Maienheim |
| Oktyabrskoye (Daughter Colonies) | Mannheim |
| Oktyabrskoye, Karasuk District, Novosibirsk Oblast (Siberia) (Russia) | Hoffental, Karasuk District, Novosibirsk Oblast (Siberia) |
| Olathe, Johnson Co., Kansas (United States) | Kansas City Metropoilitan Area, Kansas / Missouri |
| Olathe, Montrose Co., Colorado (United States) | Montrose, Montrose Co., Colorado |
| Ölbronn, Kr. Enz, Baden-Württemberg (Germany) | Ölbronn, Kr. Enz, Baden-Württemberg |
| Old Eastaboga, Talladega Co., Alabama (United States) | Talladega County, Alabama |
| Oldenburg, Kr. Ostholstein, Schleswig-Holstein (Germany) | Oldenburg, Kr. Ostholstein, Schleswig-Holstein |
| Oleschna (Original Colonies) | Dietel |
| Oleshnya (Original Colonies) | Dietel |
| Oleshnya (Original Colonies) | Dietel |
| Olgenfeld, Azov District, Rostov Oblast (Russia) | Olgenfeld, Azov District, Rostov Oblast, Russia |
| Oliver, British Columbia (Canada) | Oliver, British Columbia |
| Olmitz, Barton Co., Kansas (United States) | Olmitz, Barton Co., Kansas |
| Olney Springs, Crowley Co., Colorado (United States) | Fowler, Otero Co., Colorado |
| Olomouc (city), Czech Republic (Czechia) | Olomouc (city), Czech Republic |
| Olpe, Lyon Co., Kansas (United States) | Emporia, Lyon Co., Kansas |
| Olsberg, département Moselle, France (France) | Olsberg, département Moselle, France |
| Olympia, Thurston Co., Washington (United States) | Olympia, Thurston Co., Washington |
| Omaha, Douglas Co., Nebraska (United States) | Omaha, Douglas Co., Nebraska |
| Omro, Winnebago Co., Wisconsin (United States) | Oshkosh, Winnebago Co., Wisconsin |
| Omsk, Omsk Oblast (Siberia) (Russia) | Omsk, Omsk Oblast (Siberia) |
| Onaga, Pottawatomie Co., Kansas (United States) | Onaga, Pottawatomie Co., Kansas |
| Onalaska, LaCrosse Co., Wisconsin (United States) | LaCrosse, LaCrosse Co., Wisconsin |
| Onawa, Monona Co., Iowa (United States) | Onawa, Monona Co., Iowa |
| Ong, Clay Co., Nebraska (United States) | Sutton, Clay Co., Nebraska |
| Ontario, Malheur Co., Oregon (United States) | Ontario, Malheur Co., Oregon |
| Ontario, San Bernardino Co., California (United States) | San Bernardino Metropolitan Area, California |
| Ontonagon, Ontonagon Co., Michigan (United States) | Ontonagon, Ontonagon Co., Michigan |
| Opelika, Lee Co., Alabama (United States) | Opelika, Lee Co., Alabama |
| Oporto, Porto District, Portugal (Portugal) | Porto, Porto District, Portugal |
| Oppenheim, Kr. Mainz-Bingen, Rheinland-Pfalz (Germany) | Oppenheim, Kr. Mainz-Bingen, Rheinland-Pfalz |
| Oppenrod, Kr. Gießen, Hessen (Germany) | Oppenrod, Kr. Gießen, Hessen |
| Oppertshofen, Kr. Wetterau, Hessen (Germany) | Oppertshofen, Kr. Wetterau, Hessen |
| Opportunity, Spokane Co., Washington (United States) | Spokane, Spokane Co., Washington |
| Orange Park, Clay Co., Florida (United States) | Jacksonville Metropolitan Area, Florida |
| Orange, Orange Co., California (United States) | Los Angeles Metropolitan Area, California |
| Orangevale, Sacramento Co., California (United States) | Sacramento Metropolitan Area, California |
| Oranienbaum, Kr. Wittenberg, Sachsen-Anhalt (Germany) | Oranienbaum, Kr. Wittenberg, Sachsen-Anhalt |
| Orb (Bad-Orb), Kr. Main-Kinzig, Hessen (Germany) | Orb (Bad-Orb), Kr. Main-Kinzig, Hessen |
| Ordway, Crowley Co., Colorado (United States) | Ordway, Crowley Co., Colorado |
| Oregon City, Clackamas Co., Oregon (United States) | Portland Metropolitan Area, Oregon |
| Oregon, Lucas Co., Ohio (United States) | Toledo, Lucas Co., Ohio |
| Orem, Utah Co., Utah (United States) | Provo, Utah Co., Utah |
| Orenburg, Orenburg Oblast, Russia (Russia) | Orenburg, Orenburg Oblast, Russia |
| Orendelsall, Kr. Hohenlohe, Baden-Württemberg (Germany) | Orendelsall, Kr. Hohenlohe, Baden-Württemberg |
| Orienta, Major Co., Oklahoma (United States) | Fairview, Major Co., Oklahoma |
| Orinda, Contra Costa Co., California (United States) | Concord Metropolitan Area, California |
| Orland, Glenn Co., California (United States) | Orland, Glenn Co., California |
| Orlando, Orange Co., Florida (United States) | Orlando Metropolitan Area, Florida |
| Orléans, département Loiret, France (France) | Orléans, département Loiret, France |
| Orleans, Harlan Co., Nebraska (United States) | Orleans, Harlan Co., Nebraska |
| Orléans, Ontario (Canada) | Ottawa, Ontario |
| Örlenbach, Kr. Bad Kissingen, Bayern (Germany) | Örlenbach, Kr. Bad Kissingen, Bayern |
| Orleshausen, Kr. Wetterau, Hessen (Germany) | Orleshausen, Kr. Wetterau, Hessen |
| Orlof (Mennonite Colonies) | Orlof |
| Orloff (Samara Colonies) | Alexandertal Settlement |
| Orloff (Mennonite Colonies) | Orlof |
| Orlov (Mennonite Colonies) | Orlof |
| Orlovka, Bakay-Ata District, Talas Region, Kyrgystan (Kyrgyzstan) | Ak-Döbö, Bakay-Ata District, Talas Region, Kyrgystan |
| Orlovo, Altai Krai (Siberia) (Russia) | Orlovo, Altai Krai (Siberia) |
| Orlovskaya (Original Colonies) | Orlovskaya |
| Orlovskoye (Original Colonies) | Orlovskaya |
| Orlow (Mennonite Colonies) | Orlof |
| Orlowskaja (Original Colonies) | Orlovskaya |
| Orlowskoje (Original Colonies) | Orlovskaya |
| Ormersviller, département Moselle, France (France) | Ormersviller, département Moselle, France |
| Ormersweiler, Lothringen (France) | Ormersviller, département Moselle, France |
| Ormesheim, Kr. Saarpfalz, Saarland (Germany) | Ormesheim, Kr. Saarpfalz, Saarland |
| Oro Valley, Pima Co., Arizona (United States) | Tucson Metropolitan Area, Arizona |
| Orofino, Clearwater Co., Idaho (United States) | Orofino, Clearwater Co., Idaho |
| Oroville, Butte Co., California (United States) | Chico, Butte Co., California |
| Oroville, Okanogan Co., Washington (United States) | Oroville, Okanogan Co., Washington |
| Orrville, Wayne Co., Ohio (United States) | Wooster, Wayne Co., Ohio |
| Ortenberg, Kr. Wetterau, Hessen (Germany) | Ortenberg, Kr. Wetterau, Hessen |
| Ortley, Roberts Co., South Dakota (United States) | Ortley, Roberts Co., South Dakota |
| Orwigsburg, Schuylkill Co., Pennsylvania (United States) | Schuylkill County, Pennsylvania |
| Osage Beach, Camden / Miller Cos., Missouri (United States) | Lake of the Ozarks Area, Missouri |
| Osage City, Osage Co., Kansas (United States) | Osage City, Osage Co., Kansas |
| Osage, Mitchell Co., Iowa (United States) | Osage, Mitchell Co., Iowa |
| Osakis, Douglas Co., Minnesota (United States) | Osakis, Douglas Co., Minnesota |
| Osawatomie, Miami Co., Kansas (United States) | Osawatomie, Miami Co., Kansas |
| Osborn, Yellowstone Co., Montana (United States) | Huntley, Yellowstone Co., Montana |
| Osborne, Osborne Co., Kansas (United States) | Osborne, Osborne Co., Kansas |
| Osburn, Shoshone Co., Idaho (United States) | Osburn, Shoshone Co., Idaho |
| Osen, West Zealand, Denmark (Denmark) | Osen, West Zealand, Denmark |
| Oshagandy, Osakarovsk District, Karaganda Oblast, Kazakhstan (Kazakhstan) | Krasny Kut, Osakarovsk District, Karaganda Oblast, Kazakhstan |
| Oshkosh, Winnebago Co., Wisconsin (United States) | Oshkosh, Winnebago Co., Wisconsin |
| Oßinofka (Original Colonies) | Reinhard |
| Osinovka (Original Colonies) | Reinhard |
| Osinowka (Original Colonies) | Reinhard |
| Osipovka (Original Colonies) | Reinhard |
| Oskemen, East Kazakhstan Region, Kazakhstan (Kazakhstan) | Ust-Kamenogorsk, East Kazakhstan Region, Kazakhstan |
| Osman, Manitowoc Co., Wisconsin (United States) | Meeme, Manitowoc Co., Wisconsin |
| Osmond, Pierce Co., Nebraska (United States) | Osmond, Pierce Co., Nebraska |
| Osoewka, Vengerowsk District, Novosibirsk Oblast (Siberia) (Russia) | Osoyevka, Vengerovsk District, Novosibirsk Oblast (Siberia) |
| Osoyevka, Vengerovsk District, Novosibirsk Oblast (Siberia) (Russia) | Osoyevka, Vengerovsk District, Novosibirsk Oblast (Siberia) |
| Osoyoos, British Columbia (Canada) | Osoyoos, British Columbia |
| Ostenfeld (Mennonite Colonies) | Ostenfeld |
| Osterby, Kr. Schleswig-Flensburg, Schleswig-Holstein (Germany) | Osterby, Kr. Schleswig-Flensburg, Schleswig-Holstein |
| Osterode am Harz, Kr. Göttingen, Niedersachsen (Germany) | Osterode am Harz, Kr. Göttingen, Niedersachsen |
| Ostheim (Rhön), Kr. Rhön-Grabfeld, Bayern (Germany) | Ostheim (Rhön), Kr. Rhön-Grabfeld, Bayern |
| Ostritz, Kr. Görlitz, Sachsen (Germany) | Ostritz, Kr. Görlitz, Sachsen |
| Ostróda, Warmian-Masurian Voivodeship, Poland (Poland) | Ostróda, Warmian-Masurian Voivodeship, Poland |
| Oswego, Kendall / Will Co., Illinois (United States) | Chicago Metropolitan Area, Illinois |
| Oswego, Labette Co., Kansas (United States) | Oswego, Labette Co., Kansas |
| Oswego, Oswego Co., New York (United States) | Oswego, Oswego Co., New York |
| Othello, Adams Co., Washington (United States) | Othello, Adams Co., Washington |
| Otis, Rush Co., Kansas (United States) | Otis, Rush Co., Kansas |
| Ötisheim, Kr. Enz, Baden-Württemberg (Germany) | Ötisheim, Kr. Enz, Baden-Württemberg |
| Otrogovka (Original Colonies) | Louis |
| Otrogowka (Original Colonies) | Louis |
| Ottawa, Franklin Co., Kansas (United States) | Ottawa, Franklin Co., Kansas |
| Ottawa, Ontario (Canada) | Ottawa, Ontario |
| Ottendorf (Sebnitz), Kr. Sächsische Schweiz-Osterzgebirge, Sachsen (Germany) | Ottendorf (Sebnitz), Kr. Sächsische Schweiz-Osterzgebirge, Sachsen |
| Ottenheim, Kr. Ortenau, Baden-Württemberg (Germany) | Ottenheim, Kr. Ortenau, Baden-Württemberg |
| Otto (Original Colonies) | Dreispitz |
| Ottumwa, Wapello Co., Iowa (United States) | Ottumwa, Wapello Co., Iowa |
| Ouray, Ouray Co., Colorado (United States) | Ouray, Ouray Co., Colorado |
| Outlook, Saskatchewan (Canada) | Outlook, Saskatchewan |
| Overath, Kr. Rheinisch-Bergische, Nordrhein-Westfalen (Post-1941) (Germany) | Overath, Kr. Rheinisch-Bergische, Nordrhein-Westfalen (Post-1941) |
| Overbrook, Osage Co., Kansas (United States) | Overbrook, Osage Co., Kansas |
| Overland Park, Johnson Co., Kansas (United States) | Kansas City Metropoilitan Area, Kansas / Missouri |
| Overton, Dawson Co., Nebraska (United States) | Lexington, Dawson Co., Nebraska |
| Overton, Rusk Co., Texas (United States) | Overton, Rusk Co., Texas |
| Ovid, Sedgwick Co., Colorado (United States) | Ovid, Sedgwick Co., Colorado |
| Oviedo, Seminole Co., Florida (United States) | Orlando Metropolitan Area, Florida |
| Ovrazhnoye (Mennonite Colonies) | Lindenau |
| Owasso, Tulsa Co., Oklahoma (United States) | Tulsa Metropolitan Area, Oklahoma |
| Owatonna, Steele Co., Minnesota (United States) | Owatonna, Steele Co., Minnesota |
| Owego, Tioga Co., New York (United States) | Tioga County, New York |
| Owendale, Huron Co., Michigan (United States) | Owendale, Huron Co., Michigan |
| Owensboro, Daviess Co., Kentucky (United States) | Owensboro, Daviess Co., Kentucky |
| Owensville, Gasconade Co., Missouri (United States) | Owensville, Gasconade Co., Missouri |
| Owosso, Shiawassee Co., Michigan (United States) | Owosso, Shiawassee Co., Michigan |
| Oxanovka, Astrakhan District, Zelinograd Region (Kazakhstan) | Oxanovka, Astrakhan District, Zelinograd Region, Kazakhstan |
| Oxford, Funas / Harlan Co., Nebraska (United States) | Orleans, Harlan Co., Nebraska |
| Oxford, Sumner Co., Kansas (United States) | Sumner County, Kansas |
| Oxnard, Ventura Co., California (United States) | Los Angeles Metropolitan Area, California |
| Oyen, Alberta (Canada) | Oyen, Alberta |
| Ozark, Christian Co., Missouri (United States) | Springfield, Greene Co., Missouri |
| Ozawkie, Jefferson Co., Kansas (United States) | Ozawkie, Jefferson Co., Kansas |
| Ozernoye, Stavropol Krai, Russia (Russia) | Friedenfeld (North Caucasus) |