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Biggest Cities Beginning With 'O'

Name the most populous cities in the world beginning with the letter 'O'.
*2021 Estimates
*City proper, not urban area
*English names
Quiz by BlackpilledAnglo
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Last updated: October 11, 2021
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First submittedOctober 11, 2021
Times taken44
Average score21.1%
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Population
Country
City
2,592,413
Japan
Osaka
1,849,659
Sudan
Omdurman
1,475,223
Burkina Faso
Ouagadougou
1,129,281
Russia
Omsk
1,011,494
Ukraine
Odessa
934,243
Canada
Ottawa
803,329
Algeria
Oran
699,944
Brazil
Osasco
681,054
United States
Oklahoma City
639,652
Japan
Okayama
580,000
Norway
Oslo
577,307
Iran
Orūmīyeh
550,204
Russia
Orenburg
510,242
China
Ordos City
494,252
Morocco
Oujda
486,051
United States
Omaha
448,907
Japan
Ōita
440,646
United States
Oakland
393,115
Brazil
Olinda
369,894
Nigeria
Oyo
352,361
Japan
Okazaki
350,280
Nigeria
Onitsha
324,200
Russia
Orël
313,088
Czechia
Ostrava
312,775
NIgeria
Okene
307,573
United States
Orlando
302,643
Bolivia
Oruro
298,164
Japan
Ōtsu
255,029
Mexico
Oaxaca
246,836
Russia
Orsk
242,272
Mexico
Ojo de Agua
229,725
South Korea
Osan
224,005
Spain
Oviedo
223,648
Pakistan
Okara
221,178
Philippines
Olongapo
219,176
Germany
Oberhausen
206,614
Romania
Oradea
203,035
Japan
Odawara
202,837
Turkey
Osmaniye
202,063
United States
Oxnard
200,000
Kyrgyzstan
Osh
200,000
Kazakhstan
Oral
197,238
United States
Overland Park
191,200
Philippines
Ormoc
175,265
United States
Ontario
174,068
United States
Oceanside
173,890
Japan
Obihiro
173,410
Chile
Osorno
172,872
India
Ongole
171,803
Poland
Olsztyn
171,380
United Kingdom
Oxford
169,928
Algeria
Ouargla
166,462
Germany
Osnabrück
166,462
United States
Oakville
159,936
Japan
Oyama
159,218
Russia
Oldenburg
158,265
India
Orai
157,181
Nigeria
Owo
152,104
Japan
Ōta
150,570
Japan
Ōgaki
149,323
Japan
Ōme
145,931
Denmark
Odense
143,792
Japan
Otaru
141,290
United States
Olathe
139,911
United States
Orange
137,041
Russia
Odintsovo
131,974
Japan
Ōmuta
129,308
Colombia
Ocaña
128,618
Finland
Oulu
127,676
Poland
Opole
127,600
Venezuela
Ocumare del Tuy
125,483
Japan
Okinawa
125,347
Belarus
Orsha
124,149
France
Orléans
121,269
Chile
Ovalle
121,207
Uzbekistan
Olmaliq
120,844
Mexico
Orizaba
120,000
Russia
Orekhovo-Zuyevo
119,711
Nigeria
Owerri
119,192
Germany
Offenbach am Main
116,788
Turkey
Ordu
115,765
Sweden
Örebro
114,428
United States
Odessa
114,352
Brazil
Ourinhos
108,200
Russia
Oktyabrskiy
107,742
Spain
Ourense
107,392
Russia
Obninsk
104,782
United Kingdom
Oldham
103,000
Russia
Oleksandriya
101,268
Czechia
Olomouc
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