| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oława | city | Alytus | Lithuania | 54.35 | 24.17 | 830 | 0 |
| Oława | city | Dolnoslaskie | Poland | 50.94 | 17.30 | 830 | 42798 |
| Oława-Stanowice Field (closed) | airport | 50.98 | 17.25 | 420 | 0 | ||
| Oławskie | city | Dolnoslaskie | Poland | 50.82 | 17.25 | 830 | 3255 |
| Ołdaki | city | Podlaskie | Poland | 53.45 | 22.78 | 830 | 5096 |
| Ołdaki | city | Mazowieckie | Poland | 53.10 | 21.69 | 364 | 4138 |
| Ołdaki Magna Brok | city | Poland | 52.80 | 22.28 | 830 | 3669 | |
| Ołdaki Polonia | city | Poland | 52.88 | 22.27 | 830 | 1721 | |
| Ołdaki-Polonja | city | Poland | 52.88 | 22.27 | 830 | 1721 | |
| Ołdrzychowice | city | Moravskoslezsky Kraj | Czech Republic | 49.65 | 18.64 | 1669 | 29064 |
| Ołdrzychowice Kłodzkie | city | Dolnoslaskie | Poland | 50.37 | 16.71 | 1092 | 2456 |
| Ołdrzychów | city | Dolnoslaskie | Poland | 51.20 | 15.33 | 830 | 4377 |
| Ołdrzychów na Granicach | city | Czech Republic | 50.87 | 14.87 | 958 | 16946 | |
| Ołejów | city | Ternopil's'ka Oblast' | Ukraine | 49.76 | 25.25 | 1669 | 4172 |
| Ołis | city | Kirkuk | Iraq | 35.63 | 43.86 | 948 | 2235 |
| Ołobok | city | Lubuskie | Poland | 52.21 | 15.44 | 252 | 3617 |
| Ołobok | city | Wielkopolskie | Poland | 51.63 | 18.07 | 416 | 4500 |
| Ołobok | city | Dolnoslaskie | Poland | 51.34 | 15.29 | 830 | 1526 |
| Ołomuniec | city | Olomoucky Kraj | Czech Republic | 49.59 | 17.25 | 830 | 57054 |
| Ołoniec | city | Kareliya | Russia | 60.98 | 32.97 | 82 | 447 |
| Ołownik | city | Warminsko-Mazurskie | Poland | 54.31 | 21.83 | 374 | 1379 |
| Ołownik PGR | city | Warminsko-Mazurskie | Poland | 54.31 | 21.83 | 374 | 1379 |
| Ołownik Wieś | city | Warminsko-Mazurskie | Poland | 54.31 | 21.83 | 374 | 1379 |
| Ołpiny | city | Malopolskie | Poland | 49.81 | 21.20 | 964 | 9000 |
| Ołtarze Gołacze | city | Mazowieckie | Poland | 52.68 | 22.26 | 400 | 2403 |
| Ołtarzew | city | Mazowieckie | Poland | 52.21 | 20.77 | 275 | 50102 |
| Ołtaszyn | city | Dolnoslaskie | Poland | 51.06 | 17.03 | 413 | 124017 |
| Ołtusz | city | Brestskaya Oblast' | Belarus | 51.69 | 23.97 | 830 | 1639 |
| Ołudza | city | Slaskie | Poland | 50.56 | 19.75 | 994 | 4718 |
| Ołudza Nowa | city | Slaskie | Poland | 50.56 | 19.74 | 1003 | 4678 |
| Ołudza Stara | city | Slaskie | Poland | 50.57 | 19.75 | 958 | 4689 |
| Ołużna | city | Zachodniopomorskie | Poland | 54.08 | 15.61 | 62 | 2641 |
| Ołyka | city | Volyns'ka Oblast' | Ukraine | 50.72 | 25.81 | 830 | 300 |