Cities Starting with O

Cities around the world with population greater than 50,000 starting with the letterO.

City
Country
Population↓
Burkina Faso FlagOuagadougouBurkina Faso3,149,586
Sudan FlagOmdurmanSudan2,900,425
Japan FlagOsakaJapan2,828,297
Chad FlagOuaddaiChad1,237,856
Canada FlagOttawaCanada1,218,903
Norway FlagOsloNorway1,127,502
Russia FlagOmskRussia1,098,258
Ukraine FlagOdessaUkraine1,007,310
Japan FlagOkayamaJapan978,231
Algeria FlagOranAlgeria942,340
Iran FlagOrumiyehIran895,630
Brazil FlagOsascoBrazil766,039
Nigeria FlagObio/AkporNigeria728,256
United States FlagOklahoma City, OklahomaUnited States727,550
Turkey FlagOrduTurkey697,368
Japan FlagOitaJapan642,012
Pakistan FlagOkaraPakistan620,063
Nigeria FlagOredoNigeria610,005
Turkey FlagOsmaniyeTurkey569,580
Russia FlagOrenburgRussia536,168
Japan FlagOkazakiJapan519,229
Mexico FlagOjo de AguaMexico511,069
Morocco FlagOujdaMorocco508,653
India FlagOttappalamIndia503,782
Nigeria FlagOndo WestNigeria494,093
United States FlagOmaha, NebraskaUnited States487,917
Nigeria FlagOkeneNigeria472,910
Japan FlagOtsuJapan465,796
Nigeria FlagObafemi-OwodeNigeria456,566
Nigeria FlagOgba-Egbema-NdoniNigeria446,136
United States FlagOakland, CaliforniaUnited States440,592
Nigeria FlagOturkpoNigeria421,574
Nigeria FlagOna-AraNigeria414,925
Nigeria FlagOkitipupaNigeria400,458
Nigeria FlagOdigboNigeria397,214
Nigeria FlagOhafiaNigeria393,486
Nigeria FlagOnichaNigeria389,302
Nigeria FlagOwoNigeria380,069
Brazil FlagOlindaBrazil367,243
Kazakhstan FlagOskemenKazakhstan358,104
Nigeria FlagOsisioma NgwaNigeria352,944
Nigeria FlagOkrikaNigeria350,107
Mexico FlagObregonMexico349,374
Nigeria FlagOgbaruNigeria347,652
Kyrgyzstan FlagOshKyrgyzstan346,973
United States FlagOrlando, FloridaUnited States340,004
India FlagOngoleIndia328,393
Nigeria FlagOdukpaniNigeria326,393
Nigeria FlagOkehiNigeria324,634
Nigeria FlagOhaukwuNigeria321,816
Nigeria FlagOluyoleNigeria317,960
Nigeria FlagOgbomosho NorthNigeria310,737
Bolivia FlagOruroBolivia305,724
India FlagOraiIndia304,897
United States FlagOyster Bay, New YorkUnited States301,359
Japan FlagOtaJapan301,037
Nigeria FlagOrhionmwonNigeria299,648
Nigeria FlagOgbiaNigeria295,373
Philippines FlagOlongapoPhilippines293,096
Nigeria FlagObubraNigeria291,949
Nigeria FlagObi NgwaNigeria291,003
Nigeria FlagOgojaNigeria290,276
Nigeria FlagOrumba SouthNigeria287,354
Russia FlagOrelRussia286,629
Czechia FlagOstravaCzechia284,319
Nigeria FlagOfuNigeria278,102
Nigeria FlagOkpokwuNigeria277,871
South Korea FlagOsanSouth Korea277,282
Nigeria FlagOhaji/EgbemaNigeria276,008
Nigeria FlagObuduNigeria273,170
Nigeria FlagOrumba NorthNigeria268,993
Nigeria FlagOjuNigeria266,706
Nigeria FlagOwerri NorthNigeria266,131
Kazakhstan FlagOralKazakhstan263,535
Nigeria FlagOyiNigeria261,895
Mexico FlagOaxaca de JuarezMexico261,272
Burkina Faso FlagOuahigouyaBurkina Faso256,447
Nigeria FlagObiNigeria256,377
United Kingdom FlagOldhamUnited Kingdom255,956
Nigeria FlagOvia North EastNigeria253,020
Nigeria FlagOwan EastNigeria251,932
Canada FlagOakvilleCanada248,459
Nigeria FlagOseNigeria246,477
Kenya FlagOngata RongaiKenya244,887
Nigeria FlagOdogboluNigeria244,039
Nigeria FlagOhaozaraNigeria244,032
Nigeria FlagOpobo-NkoroNigeria240,702
Nigeria FlagOri IreNigeria233,428
Nigeria FlagOruk AnamNigeria233,087
Nigeria FlagOlamaboroNigeria230,145
Nigeria FlagOyeNigeria228,199
Japan FlagOyamaJapan224,976
Nigeria FlagOvia South WestNigeria224,911
Spain FlagOviedoSpain224,889
Nigeria FlagOshimili SouthNigeria222,450
Canada FlagOshawaCanada221,497
Finland FlagOuluFinland220,742
Japan FlagOdawaraJapan215,641
Nigeria FlagOrluNigeria215,538
Nigeria FlagOsogboNigeria215,518
Germany FlagOberhausenGermany215,176
Nigeria FlagOgutaNigeria214,894
Japan FlagOgakiJapan213,664
Nigeria FlagOnitsha SouthNigeria213,600
Nigeria FlagOyo WestNigeria213,203
Denmark FlagOdenseDenmark213,168
Nigeria FlagOdedaNigeria212,760
Romania FlagOradeaRomania212,062
Nigeria FlagOgbadiboNigeria207,279
Nigeria FlagOriadeNigeria205,578
United States FlagOverland Park, KansasUnited States204,818
Ghana FlagObuasiGhana203,437
Nigeria FlagOji-RiverNigeria202,278
Nigeria FlagOkigweNigeria200,344
Benin FlagOuidahBenin200,324
Nigeria FlagObot AkaraNigeria199,828
United States FlagOxnard, CaliforniaUnited States199,197
Nigeria FlagOyigboNigeria197,460
Nigeria FlagOnitsha NorthNigeria196,000
Nigeria FlagOyo EastNigeria193,978
Russia FlagOdintsovoRussia192,326
Nigeria FlagOkpeNigeria190,437
United States FlagOntario, CaliforniaUnited States189,505
Nigeria FlagOwerri MunicipalNigeria189,143
Japan FlagObihiroJapan187,022
Nigeria FlagObanlikuNigeria185,528
Benin FlagOuesseBenin184,817
Russia FlagOrskRussia183,232
Nigeria FlagOdo-OtinNigeria183,072
Nigeria FlagOlorundaNigeria182,420
Portugal FlagOeirasPortugal181,965
Nigeria FlagOrsuNigeria181,436
Germany FlagOldenburg (Oldb)Germany180,555
Chile FlagOsornoChile177,446
Nigeria FlagObowoNigeria177,196
Japan FlagOnomichiJapan177,061
Nigeria FlagOshimili NorthNigeria175,833
Nigeria FlagOru WestNigeria174,590
Japan FlagOmeJapan173,470
Japan FlagOkinawaJapan172,031
Japan FlagOsakiJapan171,878
United States FlagOceanside, CaliforniaUnited States169,666
Nigeria FlagOru EastNigeria168,620
United Kingdom FlagOxfordUnited Kingdom167,837
Argentina FlagOranArgentina167,350
Germany FlagOsnabrueckGermany167,224
Nigeria FlagOnnaNigeria167,078
Poland FlagOlsztynPoland163,033
Nigeria FlagOrelopeNigeria162,465
Sweden FlagOrebroSweden162,017
Nigeria FlagObokunNigeria161,929
Nigeria FlagOwan WestNigeria161,282
Portugal FlagOdivelasPortugal161,278
Nigeria FlagOmummaNigeria158,139
Nigeria FlagOyunNigeria156,960
Nigeria FlagOgbomosho SouthNigeria156,911
Nigeria FlagOmalaNigeria156,767
Nigeria FlagObiNigeria156,200
Ghana FlagOduponkpeheGhana154,417
Nigeria FlagOwerri WestNigeria153,523
Japan FlagOshuJapan152,449
United States FlagOlathe, KansasUnited States151,803
Venezuela FlagOcumare del TuyVenezuela151,456
Nigeria FlagOffaNigeria147,891
Nigeria FlagOgun WatersideNigeria144,109
Nigeria FlagOroluNigeria142,501
Colombia FlagOcanaColombia139,932
Nigeria FlagOkoboNigeria139,333
Gabon FlagOwendoGabon138,424
United States FlagOrange, CaliforniaUnited States138,080
Germany FlagOffenbach am MainGermany136,095
Russia FlagObninskRussia133,455
Japan FlagOmutaJapan131,251
Nigeria FlagOndo EastNigeria130,147
Nigeria FlagOlorunsogoNigeria127,038
Chile FlagOvalleChile125,662
Argentina FlagOlavarriaArgentina125,652
Argentina FlagOberaArgentina125,455
Poland FlagOpolePoland124,137
United States FlagOdessa, TexasUnited States124,023
Algeria FlagOum El BouaghiAlgeria123,910
Mexico FlagOrizabaMexico120,294
Japan FlagOtaruJapan119,531
Nigeria FlagOgu-BoloNigeria118,608
Nigeria FlagOronNigeria118,298
Morocco FlagOuislaneMorocco117,785
Russia FlagOktyabrskyRussia116,593
France FlagOrleansFrance116,392
Gabon FlagOyemGabon116,245
Nigeria FlagOhiminiNigeria111,930
South Africa FlagOrkneySouth Africa110,463
Japan FlagOnojoJapan110,129
Senegal FlagOuakamSenegal109,916
Brazil FlagOurinhosBrazil108,042
Algeria FlagOuled DjellalAlgeria107,616
Spain FlagOurenseSpain105,827
Nigeria FlagOla-OluwaNigeria105,686
Russia FlagOrekhovo-ZuevoRussia104,896
Czechia FlagOlomoucCzechia104,252
Morocco FlagOulad TeimaMorocco102,618
Nigeria FlagOgo OluwaNigeria101,909
Belarus FlagOrshaBelarus100,500
Algeria FlagOuled MoussaAlgeria100,086
United States FlagO'Fallon, MissouriUnited States96,958
United States FlagOrem, UtahUnited States94,699
Nigeria FlagOke-EroNigeria94,634
Morocco FlagOued ZemMorocco93,481
El Salvador FlagOpicoEl Salvador91,782
Croatia FlagOsijekCroatia90,933
Benin FlagOuakeBenin90,430
United States FlagOgden, UtahUnited States89,987
Algeria FlagOued RhiouAlgeria89,111
Republic of the Congo FlagOuessoRepublic of the Congo87,248
Spain FlagOrihuelaSpain85,944
DR Congo FlagOichaDR Congo84,295
Iran FlagOmidiyehIran83,859
Morocco FlagOuarzazateMorocco80,957
Brazil FlagOuro PretoBrazil78,448
Burkina Faso FlagOulaBurkina Faso75,482
Russia FlagOzerskRussia74,556
Brazil FlagOriximinaBrazil73,968
Republic of the Congo FlagOyoRepublic of the Congo73,890
Benin FlagOuinhiBenin73,765
United States FlagOcala, FloridaUnited States73,305
Senegal FlagOgoSenegal73,302
Belgium FlagOstendBelgium73,076
Ukraine FlagOleksandriiaUkraine73,024
South Africa FlagOudtshoornSouth Africa72,337
Algeria FlagOuled HeddadjAlgeria71,358
United States FlagOld Bridge, New JerseyUnited States70,634
Netherlands FlagOss / BerghemNetherlands69,306
Brazil FlagOuricuriBrazil68,760
Central African Republic FlagOuangoCentral African Republic68,565
Serbia FlagObrenovacSerbia68,524
Portugal FlagOliveira de AzemeisPortugal68,071
Algeria FlagOuled SlamaAlgeria67,819
United States FlagOshkosh, WisconsinUnited States67,507
Poland FlagOstrow WielkopolskiPoland67,119
Ivory Coast FlagOuangolodougouIvory Coast66,482
Algeria FlagOuenzaAlgeria66,448
Kyrgyzstan FlagOzgonKyrgyzstan66,167
Namibia FlagOshakatiNamibia66,023
Sweden FlagOstersundSweden65,505
Burkina Faso FlagOuoBurkina Faso64,099
Germany FlagOffenburgGermany63,776
United Kingdom FlagOadby and WigstonUnited Kingdom62,983
Ivory Coast FlagOumeIvory Coast62,242
Italy FlagOlbiaItaly61,897
Senegal FlagOrkadiereSenegal61,776
United States FlagOwensboro, KentuckyUnited States60,968
Portugal FlagOvarPortugal59,153
Iran FlagOshnaviehIran58,880
Haiti FlagOuanamintheHaiti58,250
Poland FlagOstrowiec SwietokrzyskiPoland58,249
Nigeria FlagOgori/MagongoNigeria57,873
United States FlagOrland Park, IllinoisUnited States57,819
South Africa FlagOdendaalsrusSouth Africa57,645
Brazil FlagOlimpiaBrazil57,388
Morocco FlagOuezzaneMorocco57,370
United States FlagOlympia, WashingtonUnited States56,848
Honduras FlagOlanchitoHonduras56,620
Namibia FlagOtjiwarongoNamibia56,265
United States FlagOak Lawn, IllinoisUnited States56,057
Brazil FlagObidosBrazil55,949
Republic of the Congo FlagOwandoRepublic of the Congo55,217
Sweden FlagOrnskoldsvikSweden55,214
Czechia FlagOpavaCzechia55,199
Burkina Faso FlagOrodaraBurkina Faso53,809
United States FlagOcoee, FloridaUnited States52,760
Namibia FlagOkahandjaNamibia52,494
United States FlagOak Park, IllinoisUnited States52,421
Nicaragua FlagOcotalNicaragua52,155
Sweden FlagOsterakerSweden51,599
Azerbaijan FlagOrdubadAzerbaijan51,142
Netherlands FlagOosterhoutNetherlands50,769
Germany FlagOranienburgGermany50,684
United States FlagOrangetown, New YorkUnited States50,676

Quick Stats

How many cities start with O?

There are 277 cities in the world that start with O and have a population over 50,000.

What is the largest city that starts with O?

The largest city that starts with O is Ouagadougou, Burkina Faso with a population of 3,149,586.

Sources

  1. World Urbanization Prospects 2025 - United Nations population estimates and projections of major Urban Agglomerations
  2. World Population Prospects (2024 Revision) - United Nations population estimates and projections.