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Largest Cities That Start with O

Can you name the ten most populated cities that start with the letter O?
Quiz by hi111223
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Last updated: May 3, 2023
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First submittedMay 3, 2023
Times taken47
Average score50.0%
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Population
City
Country
2,753,862
Osaka
Japan
1,940,653
Ordos
China
1,623,382
Onitsha
Nigeria
1,200,000
Omdurman
Sudan
1,129,281
Omsk
Russia
1,086,505
Ouagadougou
Burkina Faso
1,013,159
Odessa
Ukraine
812,129
Ottawa
Canada
736,072
Oyo
Nigeria
681,054
Oklahoma City
United States
+1
Level 77
May 3, 2023
Wikipedia estimates that the population of Onitsha last year was 3.5 million which would put it top of the list.