| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Oglongi | city | Khabarovskiy Kray | Russia | 52.9402778 | 138.8880556 | 137 | 19 |
| Okhotak | city | Khabarovskiy Kray | Russia | 59.3833333 | 143.3 | 3 | 5 |
| Okhotsk | city | Khabarovskiy Kray | Russia | 59.3833333 | 143.3 | 3 | 5 |
| Oktyabr'skiy | city | Khabarovskiy Kray | Russia | 50.7102778 | 137.9572222 | 183 | 126 |
| Oktyabr'skiy | city | Khabarovskiy Kray | Russia | 52.6916667 | 139.4202778 | 219 | 25 |
| Oktyabr'skiy | city | Khabarovskiy Kray | Russia | 49.05 | 140.2833333 | 137 | 142 |
| Oktyabr'skiy | city | Khabarovskiy Kray | Russia | 53.2666667 | 140.8 | 1345 | 117 |
| Olgon | city | Khabarovskiy Kray | Russia | 49.1166667 | 134.5166667 | 206 | 256 |
| Olovyanka | city | Khabarovskiy Kray | Russia | 52.4166667 | 139.6 | 219 | 75 |
| Ommi | city | Khabarovskiy Kray | Russia | 50.0872222 | 136.7919444 | 180 | 173 |
| Ondy | city | Khabarovskiy Kray | Russia | 50.7513889 | 137.9333333 | 45 | 126 |
| Ondy | city | Khabarovskiy Kray | Russia | 50.7102778 | 137.9572222 | 183 | 126 |
| Onmoi | city | Khabarovskiy Kray | Russia | 50.0872222 | 136.7919444 | 180 | 173 |
| Oparina | city | Khabarovskiy Kray | Russia | 52.05 | 139.7333333 | 3 | 19 |
| Ordan | city | Khabarovskiy Kray | Russia | 49.8833333 | 136.6333333 | 6 | 114 |
| Orel' | city | Khabarovskiy Kray | Russia | 53.6 | 139.8 | 272 | 101 |
| Orel'-Chlya | city | Khabarovskiy Kray | Russia | 53.3591667 | 139.8277778 | 3 | 57 |
| Oremif | city | Khabarovskiy Kray | Russia | 53 | 140.9 | 698 | 99 |
| Oremif | city | Khabarovskiy Kray | Russia | 53.066667 | 141.1008333 | 652 | 114 |
| Orenburgskiy | city | Khabarovskiy Kray | Russia | 46.8 | 134.25 | 180 | 8970 |
| Orenburgskoye | city | Khabarovskiy Kray | Russia | 46.8 | 134.25 | 180 | 8970 |
| Orlovka | city | Khabarovskiy Kray | Russia | 50.2 | 137.1166667 | 3 | 147 |
| Orlovskaya Kolonna | city | Khabarovskiy Kray | Russia | 50.3 | 137.2 | 3 | 126 |
| Orlovskoye | city | Khabarovskiy Kray | Russia | 50.2 | 137.1166667 | 3 | 147 |
| Orogo | city | Khabarovskiy Kray | Russia | 52.35 | 135.8833333 | 479 | 19 |
| Orokot | city | Khabarovskiy Kray | Russia | 50.7166667 | 134.0333333 | 1814 | 61 |
| Orondoy | city | Khabarovskiy Kray | Russia | 57.9833333 | 136.3333333 | 1604 | 0 |
| Osinovaya Rechka | city | Khabarovskiy Kray | Russia | 48.3333333 | 134.9 | 223 | 266 |
| Osipenko | city | Khabarovskiy Kray | Russia | 52.4194444 | 136.4827778 | 196 | 19 |
| Osipovka | city | Khabarovskiy Kray | Russia | 48.5666667 | 135.0333333 | 236 | 4816 |
| Otmetka | city | Khabarovskiy Kray | Russia | 53.5333333 | 140.8666667 | 0 | 60 |
| Otradnaya | city | Khabarovskiy Kray | Russia | 47.4933333 | 134.7016667 | 255 | 686 |
| Otradnoye | city | Khabarovskiy Kray | Russia | 47.4933333 | 134.7016667 | 255 | 686 |
| Ozernoye | city | Khabarovskiy Kray | Russia | 53.0397222 | 141.2497222 | 0 | 38 |
| Ozerpakh | city | Khabarovskiy Kray | Russia | 53.0397222 | 141.2497222 | 0 | 38 |
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