Villes en O
- Orange
- Orléans
- Oslo
- Orlando
- Ottawa
- Oran
- Osaka
- Ouagadougou
- Ostende
- Orly
- Oxford
- Oklahoma
- Obernai
- Oakland
- Oullins
- Omaha
- Olympie
- Oléron
- Ouzbékistan
- Orthez
- Orsay
- Oyonnax
- Ouessant
- Osny
- Orvault
- Oignies
The words in the list Villes en O come from players of the word game Categories game.