| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ola | city | Raplamaa | Estonia | 59.0483333 | 24.8822222 | 242 | 1047 |
| Olatu | city | Valgamaa | Estonia | 57.9933333 | 26.2075 | 288 | 1573 |
| Olbiku | city | Laanemaa | Estonia | 59.1680556 | 23.5338889 | 75 | 512 |
| Ole | city | Hiiumaa | Estonia | 58.7672222 | 22.5211111 | 29 | 797 |
| Ole | city | Jarvamaa | Estonia | 58.9833333 | 25.8333333 | 291 | 1303 |
| Oleski | city | Vorumaa | Estonia | 57.9213889 | 27.0572222 | 236 | 1424 |
| Oleviste | city | Harjumaa | Estonia | 59.4388889 | 24.75 | 72 | 6694 |
| Olga | city | Saaremaa | Estonia | 58.5647222 | 22.6872222 | 36 | 810 |
| Olgina | city | Ida-Virumaa | Estonia | 59.3952778 | 28.1252778 | 114 | 3282 |
| Olla | city | Parnumaa | Estonia | 58.4166667 | 23.7666667 | 19 | 1505 |
| Ollamae | city | Saaremaa | Estonia | 58.4563889 | 23.013889 | 26 | 1045 |
| Ollamyae | city | Saaremaa | Estonia | 58.4563889 | 23.013889 | 26 | 1045 |
| Ollamäe | city | Saaremaa | Estonia | 58.4563889 | 23.013889 | 26 | 1045 |
| Ollepa | city | Jarvamaa | Estonia | 58.6663889 | 25.5566667 | 239 | 1434 |
| Ollikula | city | Jarvamaa | Estonia | 58.9666667 | 25.6833333 | 255 | 1303 |
| Ollikyula | city | Jarvamaa | Estonia | 58.9666667 | 25.6833333 | 255 | 1303 |
| Olliküla | city | Jarvamaa | Estonia | 58.9666667 | 25.6833333 | 255 | 1303 |
| Olustvere | city | Viljandimaa | Estonia | 58.5536111 | 25.5627778 | 262 | 1600 |
| Olustvere | city | Jarvamaa | Estonia | 58.7166667 | 25.5666667 | 239 | 1316 |
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