| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oer | city | Land Nordrhein-Westfalen | Germany | 51.65 | 7.23 | 282 | 69104 |
| Oer | city | Indonesia | -5.87 | 132.52 | 0 | 558 | |
| Oer | city | Indonesia | -5.37 | 133.15 | 288 | 5982 | |
| Oer-Erkenschwick | city | Land Nordrhein-Westfalen | Germany | 51.63 | 7.25 | 249 | 94264 |
| Oera | city | Indonesia | -6.75 | 139.48 | 3 | 201 | |
| Oera-ri | city | Ch'ungch'ong-namdo | Korea, Republic of (South) | 36.65 | 126.60 | 180 | 12545 |
| Oerae | city | Cholla-namdo | Korea, Republic of (South) | 34.67 | 127.06 | 9 | 5042 |
| Oeraioen | city | Indonesia | -6.13 | 134.40 | 390 | 1753 | |
| Oerang-ni | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 38.66 | 126.77 | 1587 | 11759 |
| Oerarom | city | Indonesia | -3.63 | 133.68 | 0 | 439 | |
| Oerbinasopon | city | Indonesia | -0.37 | 131.23 | 200 | 293 | |
| Oerbke | city | Land Niedersachsen | Germany | 52.85 | 9.72 | 196 | 16534 |
| Oerbora | city | East Timor | -9.19 | 125.50 | 380 | 5215 | |
| Oerbora | city | East Timor | -9.19 | 125.50 | 380 | 5215 | |
| Oerbora | city | East Timor | -9.19 | 125.50 | 380 | 5215 | |
| Oerdinghausen | city | Land Niedersachsen | Germany | 52.78 | 8.92 | 180 | 1788 |
| Oere | city | Prefecture du Logone Occidental | Chad | 8.98 | 16.06 | 1492 | 6407 |
| Oere | city | Prefecture du Logone Occidental | Chad | 8.98 | 16.06 | 1492 | 6407 |
| Oerel | city | Land Niedersachsen | Germany | 53.48 | 9.05 | 36 | 4835 |
| Oeren | city | Provincie West-Vlaanderen | Belgium | 51.03 | 2.70 | 6 | 8320 |
| Oereu | city | Propinsi Nusa Tenggara Timur | Indonesia | -9.29 | 124.76 | 2470 | 4805 |
| Oerfoe | city | Indonesia | -1.15 | 135.93 | 59 | 2397 | |
| Oeri | city | Indonesia | -2.65 | 119.95 | 6049 | 988 | |
| Oerie | city | Land Niedersachsen | Germany | 52.23 | 9.75 | 259 | 16240 |
| Oerija | city | Indonesia | -3.02 | 134.32 | 2004 | 341 | |
| Oerim | city | Cholla-bukto | Korea, Republic of (South) | 35.81 | 127.62 | 1535 | 5057 |
| Oerim-ni | city | Cholla-namdo | Korea, Republic of (South) | 34.55 | 126.41 | 3 | 4322 |
| Oerimakoeroenga | city | Indonesia | -0.07 | 127.40 | 3 | 6270 | |
| Oerimbori | city | Indonesia | -0.65 | 135.50 | 0 | 417 | |
| Oerip | city | Cholla-namdo | Korea, Republic of (South) | 34.55 | 126.41 | 3 | 4322 |
| Oeripsŏk | city | Kangwon-do | Korea, Republic of (South) | 37.61 | 128.47 | 2080 | 1043 |
| Oeripto-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.38 | 125.94 | 0 | 318 |
| Oerkhaus | city | Land Nordrhein-Westfalen | Germany | 51.15 | 6.92 | 144 | 133885 |
| Oerle | city | Province de Liege | Belgium | 50.73 | 5.37 | 337 | 11426 |
| Oerle | city | Provincie Noord-Brabant | Netherlands | 51.55 | 5.08 | 42 | 135217 |
| Oerle | city | Provincie Noord-Brabant | Netherlands | 51.43 | 5.37 | 68 | 87897 |
| Oerlenbach | city | Freistaat Bayern | Germany | 50.15 | 10.13 | 1030 | 17740 |
| Oerlikon | city | Switzerland | 47.42 | 8.55 | 1397 | 207947 | |
| Oerlingen | city | Land Baden-Wurttemberg | Germany | 48.43 | 10.00 | 1840 | 67996 |
| Oerlinghausen | city | Land Nordrhein-Westfalen | Germany | 51.97 | 8.67 | 705 | 63201 |
| Oerlinghausen Airport | airport | Germany | 51.93 | 8.66 | 558 | 0 | |
| Oerlsdorf | city | Freistaat Thuringen | Germany | 50.30 | 11.17 | 1145 | 21641 |
| Oermann | city | Missouri | United States | 38.31 | -90.72 | 698 | |
| Oermingen | city | Alsace | France | 49.00 | 7.12 | 770 | 5353 |
| Oermten | city | Land Nordrhein-Westfalen | Germany | 51.48 | 6.45 | 193 | 2525 |
| Oerne | city | Denmark | 56.15 | 10.68 | 6 | 4197 | |
| Oero | city | Cholla-namdo | Korea, Republic of (South) | 34.69 | 127.33 | 104 | 8598 |
| Oero-ri | city | Cholla-namdo | Korea, Republic of (South) | 34.69 | 127.33 | 104 | 8598 |
| Oero-ri | city | Kangwon-do | Korea, Republic of (South) | 37.70 | 127.85 | 416 | 23967 |
| Oeroe | city | Indonesia | -3.50 | 119.88 | 2214 | 12824 | |
| Oeroe | city | Indonesia | -2.55 | 120.68 | 508 | 10560 | |
| Oeroemiapar | city | Propinsi Maluku | Indonesia | -5.58 | 131.98 | 3 | 326 |
| Oeroeng | city | Indonesia | -3.82 | 130.73 | 321 | 2479 | |
| Oeroeng | city | Daerah Istimewa Aceh | Indonesia | 2.63 | 96.11 | 3 | 1794 |
| Oerrel | city | Land Niedersachsen | Germany | 52.68 | 10.57 | 252 | 4470 |
| Oerrel | city | Land Niedersachsen | Germany | 52.97 | 10.18 | 255 | 5256 |
| Oersberg | city | Land Schleswig-Holstein | Germany | 54.67 | 9.85 | 114 | 1043 |
| Oersdorf | city | Land Schleswig-Holstein | Germany | 54.08 | 9.37 | 59 | 1298 |
| Oersdorf | city | Land Schleswig-Holstein | Germany | 53.83 | 9.98 | 95 | 74628 |
| Oersdorf | city | Land Niedersachsen | Germany | 53.40 | 9.42 | 98 | 2138 |
| Oersonkraal | city | Province of North-West | South Africa | -27.45 | 25.92 | 4146 | 813 |
| Oersonskraal | city | Province of North-West | South Africa | -27.30 | 25.95 | 4383 | 8019 |
| Oertchen | city | Land Nordrhein-Westfalen | Germany | 51.28 | 7.37 | 1000 | 45517 |
| Oertelsfontein | city | Free State | South Africa | -28.42 | 25.60 | 4235 | 149 |
| Oertelshain | city | Freistaat Sachsen | Germany | 50.85 | 12.58 | 928 | 26875 |
| Oerthorl | city | Bundesland Karnten | Austria | 46.54 | 13.65 | 2076 | 9575 |
| Oertzenhof | city | Land Mecklenburg-Vorpommern | Germany | 54.00 | 11.43 | 3 | 604 |
| Oertzenhof | city | Land Mecklenburg-Vorpommern | Germany | 53.52 | 13.57 | 344 | 0 |
| Oeruin | city | Propinsi Nusa Tenggara Timur | Indonesia | -9.21 | 124.75 | 1758 | 3091 |
| Oeruki | city | Propinsi Nusa Tenggara Timur | Indonesia | -9.29 | 124.84 | 1587 | 8557 |
| Oerwoud | city | Zimbabwe | -21.23 | 30.67 | 1725 | 1192 | |
| Oeryang | city | Cholla-bukto | Korea, Republic of (South) | 35.67 | 127.15 | 659 | 7945 |
| Oeryomsong-ni | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 38.85 | 127.99 | 337 | 7404 |
| Oeryong-dong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.32 | 129.21 | 1181 | 4921 |
| Oeryong-ni | city | Kyonggi-do | Korea, Republic of (South) | 37.36 | 127.69 | 246 | 13471 |
| Oeryong-ni | city | Kangwon-do | Korea, Republic of (South) | 37.13 | 128.66 | 1361 | 7947 |
| Oeryong-ri | city | Kyonggi-do | Korea, Republic of (South) | 37.36 | 127.69 | 246 | 13471 |
| Oeryongdae | city | Kangwon-do | Korea, Dem. Peoples Rep. of (North) | 38.95 | 127.63 | 1456 | 15616 |
| Oeryongmi-ri | city | Hamgyong-namdo | Korea, Dem. Peoples Rep. of (North) | 39.37 | 127.55 | 0 | 6417 |
| Oeryu | city | Kyongsang-namdo | Korea, Republic of (South) | 35.28 | 127.99 | 170 | 10702 |
| Oeryu-dong | city | Chagang-do | Korea, Dem. Peoples Rep. of (North) | 40.30 | 126.49 | 1574 | 3278 |
| Oeryul-tong | city | Kyongsang-bukto | Korea, Republic of (South) | 36.05 | 128.33 | 242 | 60029 |
| Oeryŏm | city | P'yongan-bukto | Korea, Dem. Peoples Rep. of (North) | 39.94 | 125.27 | 177 | 125496 |
| Oerzen | city | Land Niedersachsen | Germany | 53.20 | 10.33 | 134 | 16032 |