UpAlphabetical listing of Places in None
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Obersdorf | city | | Poland | 49.50 | 22.67 | 1761 | 4325 |
| Oblasek | city | | Poland | 49.97 | 22.35 | 826 | 9008 |
| Oleszyce | city | | Poland | 50.17 | 23.03 | 738 | 3912 |
| Oleszyce Stare | city | | Poland | 50.17 | 23.00 | 741 | 3590 |
| Olszany | city | | Poland | 49.75 | 22.65 | 977 | 2319 |
| Olszynka | city | | Poland | 49.90 | 22.75 | 718 | 7727 |
| Onyszki | city | | Poland | 50.08 | 22.95 | 656 | 3689 |
| Opaka | city | | Poland | 50.13 | 23.10 | 702 | 14238 |
| Orly | city | | Poland | 49.88 | 22.80 | 679 | 9845 |
| Orzechowce | city | | Poland | 49.87 | 22.78 | 757 | 10596 |
| Orły | city | | Poland | 49.88 | 22.80 | 679 | 9845 |
| Oseredek | city | | Poland | 50.25 | 23.27 | 803 | 2688 |
| Osowka | city | | Poland | 50.28 | 22.75 | 797 | 3193 |
| Ostrow | city | | Poland | 49.97 | 22.80 | 587 | 10993 |
| Ostrow | city | | Poland | 50.02 | 22.42 | 695 | 10563 |
| Ostrow | city | | Poland | 49.80 | 22.73 | 898 | 40800 |
| Ostrowe | city | | Poland | 50.13 | 22.58 | 620 | 8258 |
| Ostrowiec | city | | Poland | 50.15 | 23.15 | 715 | 13051 |
| Ostrówki | city | | Poland | 50.30 | 23.08 | 721 | 2876 |
| Ozansk | city | | Poland | 50.03 | 22.57 | 820 | 11036 |
| Ozansko | city | | Poland | 50.03 | 22.57 | 820 | 11036 |
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