| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oboynaya | city | Taymyrskiy (Dolgano-Nenetskiy) Avtonomnyy Okrug | Russia | 72.45 | 104.1666667 | 62 | 0 |
| Oboynoye | city | Taymyrskiy (Dolgano-Nenetskiy) Avtonomnyy Okrug | Russia | 72.45 | 104.1666667 | 62 | 0 |
| Oktyabr'skaya | city | Taymyrskiy (Dolgano-Nenetskiy) Avtonomnyy Okrug | Russia | 69.5333333 | 86.95 | 288 | 14 |
| Oshmarino | city | Taymyrskiy (Dolgano-Nenetskiy) Avtonomnyy Okrug | Russia | 71.7833333 | 82.8333333 | 0 | 0 |
| Otmarine | city | Taymyrskiy (Dolgano-Nenetskiy) Avtonomnyy Okrug | Russia | 71.7833333 | 82.8333333 | 0 | 0 |