| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Одинцово | city | Murmanskaya Oblast' | Russia | 67.42 | 33.30 | 830 | 596 |
| Окольный | city | Murmanskaya Oblast' | Russia | 69.13 | 33.52 | 68 | 5968 |
| Оксино | city | Murmanskaya Oblast' | Russia | 67.33 | 37.13 | 830 | 0 |
| Октябрьский | city | Murmanskaya Oblast' | Russia | 67.49 | 34.31 | 830 | 123 |
| Оленегорск | city | Murmanskaya Oblast' | Russia | 68.14 | 33.27 | 830 | 4280 |
| Олений Остров | city | Murmanskaya Oblast' | Russia | 66.70 | 32.67 | 101 | 147 |
| Оленица | city | Murmanskaya Oblast' | Russia | 66.47 | 35.32 | 22 | 0 |
| Оленья | city | Murmanskaya Oblast' | Russia | 69.21 | 33.38 | 75 | 11133 |
| Оленєгорськ | city | Murmanskaya Oblast' | Russia | 68.14 | 33.27 | 830 | 4280 |
| Онтас | city | Murmanskaya Oblast' | Russia | 68.55 | 28.88 | 830 | 149 |
| Онтас | city | Murmanskaya Oblast' | Russia | 68.43 | 28.80 | 830 | 149 |
| Орловка | city | Murmanskaya Oblast' | Russia | 68.40 | 33.53 | 830 | 0 |
| Осен-Семиостровье | city | Murmanskaya Oblast' | Russia | 67.90 | 38.18 | 830 | 0 |
| Осенний Семиостровский Погост | city | Murmanskaya Oblast' | Russia | 67.90 | 38.18 | 830 | 0 |
| Остров Харлов | city | Murmanskaya Oblast' | Russia | 68.81 | 37.33 | 209 | 37 |
| Островний | city | Murmanskaya Oblast' | Russia | 68.05 | 39.51 | 36 | 0 |
| Островной | city | Murmanskaya Oblast' | Russia | 68.05 | 39.51 | 36 | 0 |
| Островној | city | Murmanskaya Oblast' | Russia | 68.05 | 39.51 | 36 | 0 |
| Оутас | city | Murmanskaya Oblast' | Russia | 68.40 | 29.55 | 830 | 149 |