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