· Ogbomosho, Nigeria
· Oklahoma City, Oklahoma
· Olathe, Kansas
· Olympia, Washington
· Omaha, Nebraska
· Omsk, Russia
· Oran, Algeria
· Orlando, Florida
· Oslo, Norway
· Ostrava, Czech Republic
· Ottawa, Canada
· Ouagadougou, Burkina Faso
· Overland Park, Kansas
· Owensboro, Kentucky
Olympia, Washington.
Ottawa is the capital city of Canada.
Oman is a country. It begins with the letter O.
Oman
Oman is a country that starts with the letter O. (In fact, it's the ONLY country beginning with the letter O.)
Oman
Canada, whose capital is Ottawa.· Ottawa is the capital city in Canada
Country.
Oakland is a city in California. It begins with the letter O.
Norway and the capital is Oslo
None start with "O". Oslo is the capital of the Scandinavian country Norway.
venezuela-country vienna-city Valencia-city
The answer is Oman