| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ойзу | city | Jarvamaa | Estonia | 58.75 | 25.57 | 246 | 706 |
| Оллепа | city | Jarvamaa | Estonia | 58.67 | 25.56 | 239 | 2117 |
| Оргметса | city | Jarvamaa | Estonia | 59.12 | 25.78 | 344 | 640 |
| Отику | city | Jarvamaa | Estonia | 58.99 | 25.57 | 278 | 447 |
| Оэти | city | Jarvamaa | Estonia | 59.05 | 25.72 | 311 | 521 |
| Оякюла | city | Jarvamaa | Estonia | 59.02 | 25.58 | 265 | 437 |