| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Olkkola | city | Etela-Karjala | Finland | 61.20 | 27.97 | 265 | 472 |
| Oravaniemi | city | Etela-Karjala | Finland | 61.53 | 29.45 | 301 | 308 |
| Orkola | city | Etela-Karjala | Finland | 60.90 | 27.85 | 203 | 570 |
| Oro | city | Etela-Karjala | Finland | 61.63 | 29.38 | 354 | 618 |
| Oronmylly | city | Etela-Karjala | Finland | 61.63 | 29.38 | 354 | 618 |
| Orrainlahti | city | Etela-Karjala | Finland | 61.30 | 27.65 | 223 | 286 |