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
- Oberlin
- Oakdale
- Oneonta
- Ozark
- Oahu
- otwock
- Orem
- ONTARIO
- Oneida
- Oliver
- Oporto
- Okayama
- Olivia
- Owen sound
- Oban
- Oakley
- Oconomowoc
- Oroville
- Orlando Florida
- oak park
- Okanagan
- Ostia
- Ostrów Wielkopolski
- Overton
- Orly
- Old Town
- Omar
- OHIO
- Oscar
- Otago
- Owensboro
- Orono
- Olney
- Oswald
- Odesa
- Osceola
- Oceana
- Onalaska
- Omdurman
- ohayo
- ostrawa
- Orange Beach
- OKLAHOMA
- Owatonna
- Oranjestad
- Oralando
- oak bay
- Obama
- Oleśnica
- Orland Park
- Othello
- Overland Park
- Orania
- Olsztynek
- Opelika
- oasis
- Okla
- Ormond Beach
- outer banks
- Oval
- Omagh
- Ozarks
- opal
- Ohana
- Orson
Οι λέξεις στη λίστα City with O προέρχονται από παίκτες του λεκτικού παιχνιδιού Όνομα, Ζώο, Πράγμα.