| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Objezierze | city | Poland | 53.67 | 17.74 | 830 | 2327 | |
| Oblekon | city | Poland | 50.33 | 21.01 | 830 | 6256 | |
| Ochodne | city | Poland | 51.74 | 21.83 | 830 | 5249 | |
| Ochodza | city | Poland | 52.64 | 17.74 | 413 | 3661 | |
| Okarpice | city | Poland | 53.69 | 18.46 | 324 | 1846 | |
| Okarpiec | city | Poland | 53.69 | 18.46 | 324 | 1846 | |
| Okragle | city | Poland | 50.16 | 19.27 | 882 | 44308 | |
| Okrągłe | city | Poland | 50.16 | 19.27 | 882 | 44308 | |
| Oldaki | city | Poland | 52.88 | 22.27 | 830 | 1721 | |
| Oldaki Magna Brok | city | Poland | 52.80 | 22.28 | 830 | 3669 | |
| Oldaki Polonia | city | Poland | 52.88 | 22.27 | 830 | 1721 | |
| Oldaki-Polonja | city | Poland | 52.88 | 22.27 | 830 | 1721 | |
| Opatowiec | city | Poland | 50.24 | 20.72 | 830 | 5575 | |
| Opitten | city | Poland | 53.96 | 19.49 | 259 | 2117 | |
| Osada Buczek Maly | city | Poland | 51.12 | 17.96 | 830 | 4261 | |
| Osada Buczek Mały | city | Poland | 51.12 | 17.96 | 830 | 4261 | |
| Osiny | city | Poland | 51.19 | 21.10 | 830 | 6203 | |
| Osiny-Majorat | city | Poland | 51.19 | 21.08 | 830 | 6018 | |
| Ostoje | city | Poland | 51.57 | 17.13 | 314 | 4728 | |
| Ostrow | city | Poland | 51.06 | 21.80 | 830 | 3723 | |
| Ostrowek | city | Poland | 51.77 | 21.87 | 830 | 6118 | |
| Otocznia | city | Poland | 52.99 | 19.61 | 377 | 3658 | |
| 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 |