UpAlphabetical listing of Places in None
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Odatomi | city | | Russia | 43.95 | 145.60 | 124 | 365 |
| Odesskiy | city | | Russia | 44.80 | 147.25 | 82 | 111 |
| Oito | city | | Russia | 45.02 | 147.53 | 170 | 93 |
| Okappu | city | | Russia | 44.28 | 146.30 | 3 | 266 |
| Okeanskiy | city | | Russia | 44.60 | 147.23 | 137 | 97 |
| Onikushinai | city | | Russia | 43.80 | 145.42 | 0 | 279 |
| Onirusu | city | | Russia | 43.77 | 145.43 | 68 | 329 |
| Onkotsu | city | | Russia | 44.42 | 146.33 | 65 | 326 |
| Onnedomari | city | | Russia | 43.63 | 146.35 | 3 | 0 |
| Onnekusunai | city | | Russia | 43.80 | 145.42 | 0 | 279 |
| Onnerusu | city | | Russia | 43.77 | 145.43 | 68 | 329 |
| Onnetomari | city | | Russia | 43.63 | 146.35 | 3 | 0 |
| Osenniy | city | | Russia | 45.02 | 147.53 | 170 | 93 |
| Oshiusu | city | | Russia | 43.90 | 145.68 | 0 | 299 |
| Oshousu | city | | Russia | 43.90 | 145.68 | 0 | 299 |
| Oshūsu | city | | Russia | 43.90 | 145.68 | 0 | 299 |
| Ostrovnoj | city | | Russia | 43.77 | 146.62 | 82 | 397 |
| Ostrovnoye | city | | Russia | 43.77 | 146.62 | 82 | 397 |
| Otashiyutsu | city | | Russia | 44.78 | 147.20 | 22 | 104 |
| Otashutsu | city | | Russia | 44.78 | 147.20 | 22 | 104 |
| Otasutsu | city | | Russia | 44.78 | 147.20 | 22 | 104 |
| Otatomu | city | | Russia | 43.95 | 145.60 | 124 | 365 |
| Otlivnyy | city | | Russia | 44.82 | 147.55 | 0 | 75 |
| Otrada | city | | Russia | 44.07 | 145.86 | 0 | 395 |
| Otradnoye | city | | Russia | 44.07 | 145.86 | 0 | 395 |
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