City with O
- Orlando
- Oslo
- Ottawa
- Oakland
- Osaka
- Omaha
- Oxford
- Orleans
- Olympia
- Oldenburg
- Ocean City
- Odessa
- Oberhausen
- Oshawa
- Okinawa
- Oglas
- Ogden
- Oaxaca
- Oregon City
- Oviedo
- Omsk
- Oran
- Oswego
- Oakville
- Oceanside
- Offenbach
- Ouagadougou
- Oklahoma City
- Orange City
- Ohio City
- Oshkosh
- Oxnard
- Ocala
- Orillia
- Odisha
- Oakdale
- Oberlin
- Oneonta
- Ozark
- Oahu
- Oneida
- Orem
- Oporto
- ONTARIO
- Oliver
- Okayama
- Olivia
- Oakley
- Owen sound
- otwock
- Oban
- Oconomowoc
- Oroville
- oak park
- Oswald
- Overton
- Orly
- Orlando Florida
- Ostia
- Okanagan
- Orono
- Oglas
- Omar
- Oscar
- Otago
- Olney
- OHIO
- Oceana
- Osceola
- Old Town
- Onalaska
- Owensboro
- Odesa
- OKLAHOMA
- ohayo
- Omdurman
- Oralando
- Obama
- Owatonna
- Orania
- Oranjestad
- Orange Beach
- Othello
- Orland Park
- oak bay
- Ormond Beach
- Oleśnica
- Opelika
- Omagh
- Oval
- Ostrów Wielkopolski
- Okla
- oasis
- Oil City
- octopus
- oak hills
- Otsego
- owl city
- orangevale
- Occidental
- opal
- Ore
Besede na seznamu City with O izvirajo od igralcev besedne igre Država, Mesto, Vas.