Five Biggest Cities by Continent by Letter - O

Name the 5 biggest cities on each continent that start with O!
City proper population, data from citypopulation.de
5-By-Continent-Concept: Quizzer6794
Those with less than 10,000 you get for free
Quiz by Gassu
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Last updated: September 10, 2017
First submittedSeptember 10, 2017
Times taken166
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Africa
1,850,000
Sudan
Omdurman
1,475,000
Burkina Faso
Ouagadougou
803,000
Algeria
Oran
494,000
Morocco
Oujda
428,000
Nigeria
Oyo
 
 
 
Asia
2,691,000
Japan
Osaka
1,178,000
Russia
Omsk
719,000
Japan
Okayama
510,000
China
Ordos
478,000
Japan
Oita
 
 
 
Europe
1,011,000
Ukraine
Odessa
666,000
Norway
Oslo
564,000
Russia
Orenburg
291,000
Czech Republic
Ostrava
230,000
Russia
Orsk
North America
934,000
Canada
Ottawa
638,000
USA
Oklahoma City
447,000
USA
Omaha
420,000
USA
Oakland
277,000
USA
Orlando
 
 
 
Oceania
41,000
Australia
Orange
27,000
Australia
Ocean Grove
14,000
New Zealand
Oamaru
9,000
Hawaii (USA)
Ocean Pointe
6,000
New Zealand
Otaki
 
 
 
South America
698,000
Brazil
Osasco
383,000
Brazil
Olinda
265,000
Bolivia
Oruro
144,000
Chile
Osorno
126,000
Venezuela
Ocumare del Tuy
+1
Level 69
Sep 10, 2017
2016 estimate for Orlando is 277,173
+1
Level 72
Sep 10, 2017
Okay