Cities
A searchable gazetteer of major cities with country, province, population and map coordinates.
| City | Country | Province / state | Population | Coordinates |
|---|---|---|---|---|
| Oita | Japan | Oita | — | — |
| Oka | Nigeria | Nigeria | 126,000 | — |
| Okara | Pakistan | Pakistan | 153,483 | — |
| Okayama | Japan | Okayama | — | — |
| Oklahoma City | United States | Oklahoma | 469,852 | 35.30, -97.30 |
| Oktyabrsky | Russia | Rep. of Bashkortostan | 110,000 | — |
| Olanchito | Honduras | Yoro | 15,900 | — |
| Oldenburg | Germany | Niedersachsen | 149,691 | — |
| Oldham | United Kingdom | Greater Manchester | 220,400 | — |
| Olinda | Brazil | Rio de Janeiro | 355,741 | — |
| Olmaliq | Uzbekistan | Toshkent | 116,000 | — |
| Olomouc | Czech Republic | Severomoravsky | 225,000 | — |
| Olsztyn | Poland | Olsztynskie | 161,000 | — |
| Olympia | United States | Washington | 27,447 | 46.97, -122.90 |
| Omaha | United States | Nebraska | 364,253 | 41.30, -95.90 |
| Omdurman | Sudan | al Khartum | 1,267,077 | — |
| Omsk | Russia | Omskaya oblast | 1,163,000 | — |
| Ondo | Nigeria | Nigeria | 150,000 | — |
| Onitsha | Nigeria | Nigeria | 328,000 | — |
| Ontario | United States | California | 144,854 | 34.05, -117.60 |
| Opole | Poland | Opolskie | 128,000 | — |
| Oradea | Romania | Bihor | 225,000 | — |
| Oral | Kazakstan | Batys Qazaqstan | 219,100 | — |
| Oran | Algeria | Algeria | 609,823 | 35.40, 0.40 |
| Orange | United States | California | 119,890 | — |
| Ordu | Turkey | Ordu | 121,300 | — |
| Orebro | Sweden | Orebro | 119,635 | 59.20, 15.00 |
| Orekhovo Zuyevo | Russia | Moskovskaya oblast | 126,000 | — |
| Orel | Russia | Orlovskaya oblast | 348,000 | — |
| Orenburg | Russia | Orenburgskaya oblast | 532,000 | — |
| Orense | Spain | Galicia | 108,547 | — |
| Orizaba | Mexico | Veracruz | 114,216 | — |
| Orlando | United States | Florida | 173,902 | 28.55, -81.38 |
| Orleans | France | Centre | 105,111 | 47.50, 1.50 |
| Orsk | Russia | Orenburgskaya oblast | 275,000 | — |
| Orumiyeh | Iran | Azarbayian e Gharbt | 396,392 | 37.30, 45.00 |
| Osaka | Japan | Osaka | 2,492,000 | — |
| Osasco | Brazil | Sao Paulo | 622,374 | — |
| Oshawa | Canada | Ontario | 129,344 | 43.90, -78.87 |
| Oshogbo | Nigeria | Nigeria | 421,000 | — |
| Oskemen | Kazakstan | Shyghys Qazaqstan | 326,300 | — |
| Oslo | Norway | Oslo | 449,337 | 59.93, 10.73 |
| Osmaniye | Turkey | Adana | 138,000 | — |
| Osnabruck | Germany | Niedersachsen | 168,050 | — |
| Ostersund | Sweden | Jamtland | 56,662 | 63.20, 14.30 |
| Ostrava | Czech Republic | Severomoravsky | 332,000 | — |
| Ostroleka | Poland | Ostroleckie | — | — |
| Otsu | Japan | Shiga | — | — |