| Och-Norys - Komi |
Ochevo - Moscow Oblast’ |
Ochkasovo - Kursk Oblast’ |
| Ochaki - Chechnya |
Ocheya - Arkhangelsk Oblast’ |
Ochkasovo - Orël Oblast (Orlovskaya Oblast’) |
| Ochakovo - Kaliningrad Oblast’ |
Ochga-Kosheleva - Perm Oblast’ |
Ochkasovo Bolshoye - Orël Oblast (Orlovskaya Oblast’) |
| Ochakovo - Moscow (Moskva) |
Ochgo-Kosheleva - Perm Oblast’ |
Ochki - Orël Oblast (Orlovskaya Oblast’) |
| Ochchuguy-Alyy - Yakutia (Sakha) |
Ochiai - Sakhalin Oblast’ |
Ochkino - Novosibirsk Oblast’ |
| Ochchuguy-Mundu-Kyuyel - Yakutia (Sakha) |
Ochiho - Sakhalin Oblast’ |
Ochlo - Dagestan |
| Ochekvazh - Kirov Oblast’ |
Ochimkiny - Khanty-Mansi |
OchNeris - Komi |
| Ochemi - Buryatia |
Ochino - Novgorod Oblast’ |
Ochno - Novgorod Oblast’ |
| Ochep - Novgorod Oblast’ |
Ochir - Kalmykia |
Ochukonda - Chita Oblast (Chitinskaya Oblast’) |
| Ochep - Tver’ Oblast’ |
Ochir Daban - Buryatia |
Ochunonda - Chita Oblast (Chitinskaya Oblast’) |
| Ochyor - Perm Oblast’ |
Ochirin-Buluk - Kalmykia |
Ochury - Khakassia |
| Ocheretovataya Balka - Krasnodar Krai (Krasnodar Kray) |
Ochiyopoka - Sakhalin Oblast’ |
| Ocheul - Irkutsk Oblast’ |
Ochkasovka - Belgorod Oblast’ |