| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Олькавічы | city | Grodnenskaya Oblast' | Belarus | 54.40 | 26.02 | 830 | 2384 |
| Олькиниев | city | Mariy-El | Russia | 56.88 | 49.55 | 830 | 1512 |
| Олькино | city | Vologodskaya Oblast' | Russia | 59.78 | 36.77 | 830 | 298 |
| Ольковичи | city | Grodnenskaya Oblast' | Belarus | 54.40 | 26.02 | 830 | 2384 |
| Ольковы | city | Kirovskaya Oblast' | Russia | 58.76 | 49.39 | 830 | 4043 |
| Олькуш | city | Malopolskie | Poland | 50.28 | 19.56 | 1249 | 52975 |