City or town with O
- Orlando
- Oslo
- Ottawa
- Oakland
- Oxford
- Omaha
- Osaka
- Olympia
- Oldenburg
- Orleans
- Oklahoma city
- Oakville
- Oldham
- Oshawa
- Ocean City
- Okinawa
- Oswego
- Odessa
- Oviedo
- Oaxaca
- Ogden
- Oceanside
- Orville
- Oberhausen
- OMAN
- Orillia
- Odisha
- ostrava
- Oregon City
- Oban
- Oswestry
- Ocala
- Ozark
- Oberlin
- Oroville
- Oshkosh
- Oneonta
- Omsk
- Ouagadougou
- Oran
- Orange City
- Offenbach
- Orono
- Offaly
- Oakdale
- Orangeburg
- Oamaru
- Ormskirk
- Olathe
- Olney
- Opal
- OREGON
- Ossining
- Oconomowoc
- oakwood
- Opelika
- Oak Park
- Oneida
- Orlando Florida
- Overton
- Owen sound
- Orion
- Owatonna
- olbia
- Owensboro
- Overland Park
- Oahu
- Outer Banks
- organ
- Owen
- ottwa
- Orania
- ONTARIO
- Omen
- Oak Creek
- Oceana
- Old Bridge
- Osborne
- Oswald
- Okehampton
- ommen
- Ocean
- oyster bay
- Olovo
- Otsego
- Orinda
- Olivia
- Olean
- Ostia
- Otorohanga
- Olive
- Oberon
- Opotiki
- OHIO
- Odesa
- Old town road
- Oświęcim
- Orizaba
- Outback
- ottoman
The words in the list City or town with O come from players of the word game Categories game.