| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oltar' | city | Novosibirskaya Oblast' | Russia | 54.54 | 76.65 | 351 | 298 |
| Oltar’ | city | Novosibirskaya Oblast' | Russia | 54.54 | 76.65 | 351 | 298 |
| Oltotumb | city | Khanty-Mansiyskiy Avtonomnyy Okrug-Yugra | Russia | 63.18 | 63.70 | 49 | 0 |
| Oltsjan | city | Sakha (Yakutiya) | Russia | 64.70 | 142.59 | 2824 | 0 |
| Oltukhova | city | Ivanovskaya Oblast' | Russia | 57.36 | 41.68 | 830 | 293 |
| Oltukhovo | city | Ivanovskaya Oblast' | Russia | 57.36 | 41.68 | 830 | 293 |
| Olturinskiye | city | Khanty-Mansiyskiy Avtonomnyy Okrug-Yugra | Russia | 61.37 | 68.30 | 82 | 0 |
| Olturminskiye | city | Khanty-Mansiyskiy Avtonomnyy Okrug-Yugra | Russia | 61.37 | 68.30 | 82 | 0 |
| Oltushëvo | city | Vladimirskaya Oblast' | Russia | 56.22 | 42.38 | 252 | 773 |
| Oltusjovo | city | Vladimirskaya Oblast' | Russia | 56.22 | 42.38 | 252 | 773 |