Rusko - Zoznam miest na písmeno O
- Oblivskaya
- Obninsk
- Obolensk
- Oboyan’
- Obsharovka
- Obukhovo
- Obukhovskoye
- Ob’
- Ochakovo-Matveyevskoye
- Ochër
- Odesskoye
- Odintsovo
- Odoyev
- Okha
- Okhansk
- Okhotsk
- Okino-Klyuchi
- Okoneshnikovo
- Oksovskiy
- Oktyabr’sk
- Oktyabr’skiy
- Okulovka
- Ol'yavidovo
- Ola
- Olenegorsk
- Olenino
- Olenyok
- Olonets
- Olovyannaya
- Olym
- Olyokminsk
- Ol’ga
- Ol’ginka
- Ol’gino
- Ol’ginskaya
- Ol’khovatka
- Omsk
- Omsukchan
- Omutinskiy
- Omutninsk
- Onega
- Onguday
- Onokhino
- Onokhoy
- Opalikha
- Oparino
- Opechenskiy Posad
- Opochka
- Oranzherei
- Orda
- Ordynskoye
- Ordzhonikidzevskiy
- Orekhovo-Borisovo
- Orekhovo-Borisovo Severnoye
- Orekhovo-Borisovo Yuzhnoye
- Orekhovo-Zuyevo
- Orël
- Orël-Izumrud
- Orenburg
- Orgtrud
- Orichi
- Orlik
- Orlov
- Orlovka
- Orlovo
- Orlovskiy
- Orotukan
- Orsha
- Orshanka
- Orsk
- Orud’yevo
- Osa
- Osel’ki
- Osinki
- Osinniki
- Osinovo
- Ossora
- Ostankinskiy
- Ostashëvo
- Ostashkov
- Oster
- Ostrogozhsk
- Ostrov
- Ostrovnoy
- Ostrovskoye
- Ostrovtsy
- Osyno
- Otkaznoye
- Otrada
- Otradnaya
- Otradnoye
- Otradnyy
- Otrado-Kubanskoye
- Ous
- Overyata
- Ovoshchi
- Ovsyanka
- Oyëk
- Oyskhara
- Ozerki
- Ozernovskiy
- Ozërnyy
- Ozërsk
- Ozëry
- Ozherel’ye