Biggest Cities Starting with O by Country

Can you name the most populated urban settlement starting with O in each country on the world map?
Sources: citypopulation.de, Wikipedia. Not including places with no official population data
For the purposes of this quiz, islands are considered settlements in Kiribati, atolls are considered settlements in Marshall Islands and Tuvalu, districts are considered settlements in Nauru
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Quiz by RoxyTheQuizzer
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Last updated: February 9, 2021
First submittedFebruary 9, 2021
Times taken49
Average score10.1%
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Country
City
Population
Afghanistan
none
N/A
Albania
Orikum
5,503
Algeria
Oran
803,329
Andorra
Ordino
3,034
Angola
Ondjiva
121,537
Antigua and Barbuda
Old Road
1,093
Argentina
Olavarría
95,900
Armenia
none
N/A
Australia
Orange
40,804
Austria
Oberwart
7,064
Azerbaijan
Ordubad
10,372
Bahamas
none
N/A
Bahrain
none
N/A
Bangladesh
none
N/A
Barbados
Oistins
1,203
Belarus
Orsha
108,100
Belgium
Ostend
71,647
Belize
Orange Walk
13,665
Benin
Ouidah
47,616
Bhutan
none
N/A
Bolivia
Oruro
264,943
Bosnia and Herzegovina
Orašje
3,614
Botswana
Orapa
9,600
Brazil
Osasco
699,940
Brunei
none
N/A
Bulgaria
Omurtag
8,612
Burkina Faso
Ouagadougou
2,453,496
Burundi
none
N/A
Cambodia
Oudong
7,655
Cameroon
Obala
29,054
Canada
Ottawa
989,567
Cape Verde
none
N/A
Central African Republic
Obo
7,187
Chad
Oum Hadjer
26,552
Chile
Osorno
147,826
China
Ordos
496,100
Colombia
Ocaña
116,200
Comoros
Ouani
8,841
Costa Rica
Orotina
8,640
Croatia
Osijek
84,104
Cuba
none
N/A
Cyprus
Omorfita
10,856
Czech Republic
Ostrava
287,968
D. R. Congo
Oicha
43,065
Denmark
Odense
180,302
Djibouti
Obock
11,706
Dominica
none
N/A
Dominican Republic
Oviedo
10,986
East Timor
Ossu
4,263
Ecuador
Otavalo
39,354
Egypt
Obour
250,000
El Salvador
Opico
44,986
Equatorial Guinea
none
N/A
Eritrea
Omhajer
9,240
Estonia
Otepää
2,105
Eswatini
none
N/A
Ethiopia
none
N/A
F. S. Micronesia
Oneop
505
Fiji
none
N/A
Finland
Oulu
205,137
France
Orléans
116,238
Gabon
Owendo
79,300
Gambia
Old Jeshwang
7,552
Georgia
Ozurgeti
14,372
Germany
Oberhausen
210,764
Ghana
Obuasi
143,644
Greece
Oraiokastro
20,852
Grenada
none
N/A
Guatemala
Olintepeque
31,545
Guinea
none
N/A
Guinea-Bissau
none
N/A
Guyana
Orealla
981
Haiti
Ouanaminthe
58,250
Honduras
Olanchito
45,270
Hungary
Ózd
32,214
Iceland
Ólafsvík
995
India
Ongole
208,344
Indonesia
Oksibil
4,087
Iran
Omidiyeh
67,427
Iraq
none
N/A
Ireland
Oranmore
4,990
Israel
Or Yehuda
36,813
Italy
Olbia
60,154
Ivory Coast
Oumé
45,210
Jamaica
Old Harbour
28,912
Japan
Osaka
2,725,006
Jordan
none
N/A
Kazakhstan
Oskemen
333,178
Kenya
Ongata Rongai
172,569
Kiribati
Onotoa
1,393
Kosovo
Obilić
6,864
Kuwait
none
N/A
Kyrgyzstan
Osh
283,253
Laos
none
N/A
Latvia
Ogre
23,273
Lebanon
none
N/A
Lesotho
none
N/A
Liberia
none
N/A
Country
City
Population
Libya
none
N/A
Liechtenstein
none
N/A
Lithuania
Obeliai
782
Luxembourg
none
N/A
Madagascar
Onjatsy
8,000
Malawi
none
N/A
Malaysia
none
N/A
Maldives
none
N/A
Mali
Ouélessébougou
50,056
Malta
none
N/A
Marshall Islands
none
N/A
Mauritania
Ouad Naga
4,179
Mauritius
none
N/A
Mexico
Ojo de Agua
386,290
Moldova
Orhei
21,065
Monaco
none
N/A
Mongolia
Ölgij
36,930
Montenegro
Ozrinići
2,057
Morocco
Oujda
494,252
Mozambique
none
N/A
Myanmar
Oktwin
14,143
Namibia
Oshakati
36,541
Nauru
none
N/A
Nepal
none
N/A
Netherlands
Oss
56,930
New Zealand
Oamaru
13,700
Nicaragua
Ocotal
46,308
Niger
Ouallam
10,594
Nigeria
Ogbomosho
433,030
North Korea
none
N/A
North Macedonia
Ohrid
38,840
Norway
Oslo
693,494
Oman
none
N/A
Pakistan
Okara
357,935
Palau
none
N/A
Panama
Ocú
7,006
Papua New Guinea
Olsobip
1,000
Paraguay
Obligado
11,441
Peru
Olmos
16,900
Philippines
Olongapo
310,394
Poland
Olsztyn
171,979
Portugal
Odivelas
56,847
Qatar
none
N/A
Republic of the Congo
Ouesso
28,179
Romania
Oradea
196,367
Russia
Omsk
1,154,507
Rwanda
none
N/A
Saint Kitts and Nevis
none
N/A
Saint Lucia
none
N/A
Saint Vincent
none
N/A
Samoa
none
N/A
San Marino
none
N/A
Sao Tome and Principe
Ototó
585
Saudi Arabia
none
N/A
Senegal
Ouro Sogui
15,654
Serbia
Obrenovac
25,429
Seychelles
none
N/A
Sierra Leone
none
N/A
Singapore
none
N/A
Slovakia
none
N/A
Slovenia
Ormož
2,102
Solomon Islands
none
N/A
Somalia
Oog
45,012
South Africa
Orkney
91,854
South Korea
Osan
236,075
South Sudan
none
N/A
Spain
Oviedo
219,910
Sri Lanka
none
N/A
Sudan
Omdurman
1,849,659
Suriname
Oostelijke Polders
7,153
Sweden
Örebro
125,817
Switzerland
Opfikon
21,014
Syria
none
N/A
Taiwan
none
N/A
Tajikistan
Obikiik
12,300
Tanzania
Orkesumet
5,325
Thailand
Om Noi
53,978
Togo
none
N/A
Tonga
Ohonua
1,438
Trinidad and Tobago
Ortoire
764
Tunisia
Oued Ellil
57,851
Turkey
Osmaniye
237,476
Turkmenistan
none
N/A
Tuvalu
none
N/A
Uganda
Omoro
23,200
Ukraine
Odessa
1,017,699
United Arab Emirates
none
N/A
United Kingdom
Oxford
162,291
United States
Oklahoma City
655,057
Uruguay
Ombúes de Lavalle
3,390
Uzbekistan
Oqtosh
34,300
Vanuatu
none
N/A
Vatican City
none
N/A
Venezuela
Ocumare del Tuy
127,600
Vietnam
none
N/A
Yemen
none
N/A
Zambia
none
N/A
Zimbabwe
Odzi
3,438
+1
Level 69
Feb 9, 2021
Oberwart is bigger than Oberndorf bei Salzburg (Austria)
+1
Level 72
Feb 9, 2021
Fixed, thanks
+1
Level 52
Feb 28, 2021
Mind if I make a US States version of this?
+1
Level 72
Mar 1, 2021
Feel free to, I don't have any plans to make that