| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ohtinen | city | Kanta-Hame | Finland | 61.07 | 23.95 | 344 | 1027 |
| Oinaala | city | Kanta-Hame | Finland | 60.87 | 24.33 | 311 | 298 |
| Oitti | city | Kanta-Hame | Finland | 60.78 | 25.03 | 341 | 298 |
| Ojainen | city | Kanta-Hame | Finland | 60.75 | 23.87 | 830 | 298 |
| Ojanen | city | Kanta-Hame | Finland | 60.75 | 23.87 | 830 | 298 |
| Okerla | city | Kanta-Hame | Finland | 61.15 | 24.55 | 321 | 596 |