City with O
- Orlando
- Oslo
- Ottawa
- Oakland
- Osaka
- Omaha
- Oxford
- Orleans
- Olympia
- Oldenburg
- OOty
- Ocean City
- Odessa
- Oberhausen
- Oshawa
- Ogden
- Oaxaca
- Okinawa
- Oregon City
- Omsk
- Oran
- Oviedo
- Oswego
- Oceanside
- Oakville
- Ouagadougou
- Offenbach
- Oklahoma City
- Orange City
- Ohio City
- Oxnard
- Oshkosh
- Ocala
- Orillia
- Odisha
- Oakdale
- Oberlin
- Oneonta
- Oahu
- Ozark
- ONTARIO
- otwock
- Orem
- Oneida
- Olivia
- Oporto
- Oliver
- Okayama
- Oakley
- Oconomowoc
- Oban
- Owen sound
- Orlando Florida
- Oroville
- Okanagan
- Overton
- oak park
- Orly
- Ostia
- Olney
- Oswald
- OHIO
- Oscar
- Otago
- Old Town
- Omar
- Orono
- Owensboro
- Odesa
- Osceola
- Onalaska
- Oceana
- Orange Beach
- Omdurman
- ohayo
- ostrawa
- OKLAHOMA
- Obama
- Ostrów Wielkopolski
- Orland Park
- Overland Park
- Othello
- Orania
- Oralando
- Oranjestad
- Owatonna
- oak bay
- Oleśnica
- Oval
- Ormond Beach
- Omagh
- outer banks
- Okla
- Opelika
- oasis
- opal
- Oil City
- Ogre
- orangevale
- osa
The words in the list City with O come from players of the word game Categories game.