| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ober Kapkeim | city | Warminsko-Mazurskie | Poland | 53.92 | 20.43 | 393 | 3404 |
| Ober Kossewen | city | Warminsko-Mazurskie | Poland | 53.81 | 21.40 | 830 | 1412 |
| Ober Proberg | city | Warminsko-Mazurskie | Poland | 53.82 | 21.40 | 830 | 1715 |
| Oberheide | city | Warminsko-Mazurskie | Poland | 54.10 | 20.13 | 301 | 3943 |
| Oberhofen | city | Warminsko-Mazurskie | Poland | 54.34 | 22.18 | 830 | 2636 |
| Oberrechenberg | city | Warminsko-Mazurskie | Poland | 53.81 | 21.40 | 830 | 1412 |
| Oberteich | city | Warminsko-Mazurskie | Poland | 54.24 | 21.12 | 206 | 3146 |
| Oblewen | city | Warminsko-Mazurskie | Poland | 53.64 | 22.05 | 830 | 2384 |
| Oblewo | city | Warminsko-Mazurskie | Poland | 53.64 | 22.05 | 830 | 2384 |
| Obszarniki | city | Warminsko-Mazurskie | Poland | 54.33 | 22.13 | 830 | 1900 |
| Ochodden | city | Warminsko-Mazurskie | Poland | 53.61 | 21.05 | 830 | 8462 |
| Ochódno | city | Warminsko-Mazurskie | Poland | 53.61 | 21.05 | 830 | 8462 |
| Odmy | city | Warminsko-Mazurskie | Poland | 53.44 | 19.96 | 830 | 2853 |
| Odoje | city | Warminsko-Mazurskie | Poland | 53.85 | 22.00 | 830 | 1935 |
| Odoyen | city | Warminsko-Mazurskie | Poland | 53.85 | 22.00 | 830 | 1935 |
| Odritten | city | Warminsko-Mazurskie | Poland | 53.77 | 20.77 | 830 | 0 |
| Odryty | city | Warminsko-Mazurskie | Poland | 53.77 | 20.77 | 830 | 0 |
| Offenau | city | Warminsko-Mazurskie | Poland | 53.68 | 22.15 | 830 | 2349 |
| Offenau Ostpreussen | city | Warminsko-Mazurskie | Poland | 53.68 | 22.15 | 830 | 2349 |
| Ogonken | city | Warminsko-Mazurskie | Poland | 54.18 | 21.81 | 830 | 2883 |
| Ogonki | city | Warminsko-Mazurskie | Poland | 54.18 | 21.81 | 830 | 2883 |
| Ogrodek | city | Warminsko-Mazurskie | Poland | 53.81 | 22.10 | 830 | 1728 |
| Ogrodki | city | Warminsko-Mazurskie | Poland | 54.21 | 21.42 | 278 | 1855 |
| Ogrodniki | city | Warminsko-Mazurskie | Poland | 54.24 | 19.54 | 830 | 1751 |
| Ogrodtken | city | Warminsko-Mazurskie | Poland | 53.81 | 22.10 | 830 | 1728 |
| Ogrodtken Kreis Lyck | city | Warminsko-Mazurskie | Poland | 53.81 | 22.10 | 830 | 1728 |
| Ogrodzieniec | city | Warminsko-Mazurskie | Poland | 53.60 | 19.32 | 351 | 2833 |
| Ohmswalde | city | Warminsko-Mazurskie | Poland | 53.43 | 21.28 | 830 | 2646 |
| Okartowo | city | Warminsko-Mazurskie | Poland | 53.81 | 21.86 | 830 | 1606 |
| Okowizna | city | Warminsko-Mazurskie | Poland | 54.16 | 21.79 | 830 | 2415 |
| Okragle | city | Warminsko-Mazurskie | Poland | 53.88 | 21.99 | 830 | 1788 |
| Okragle | city | Warminsko-Mazurskie | Poland | 53.43 | 19.98 | 830 | 2732 |
| Okrongeln | city | Warminsko-Mazurskie | Poland | 53.88 | 21.99 | 830 | 1788 |
| Okrągłe | city | Warminsko-Mazurskie | Poland | 53.88 | 21.99 | 830 | 1788 |
| Okrągłe | city | Warminsko-Mazurskie | Poland | 53.43 | 19.98 | 830 | 2732 |
| Olbrachtowko | city | Warminsko-Mazurskie | Poland | 53.72 | 19.42 | 377 | 3869 |
| Olbrachtowo | city | Warminsko-Mazurskie | Poland | 53.74 | 19.42 | 344 | 3870 |
| Olbrachtowo | city | Warminsko-Mazurskie | Poland | 53.72 | 19.42 | 377 | 3869 |
| Olecka-Kolonii | city | Warminsko-Mazurskie | Poland | 54.04 | 22.51 | 830 | 6180 |
| Olecko | city | Warminsko-Mazurskie | Poland | 54.04 | 22.51 | 830 | 6180 |
| Olecko Male | city | Warminsko-Mazurskie | Poland | 53.97 | 22.54 | 830 | 3872 |
| Olecko Małe | city | Warminsko-Mazurskie | Poland | 53.97 | 22.54 | 830 | 3872 |
| Olecko-Kolonia | city | Warminsko-Mazurskie | Poland | 54.04 | 22.51 | 830 | 6180 |
| Oledry | city | Warminsko-Mazurskie | Poland | 53.39 | 21.08 | 830 | 1535 |
| Olesno | city | Warminsko-Mazurskie | Poland | 54.08 | 19.29 | 42 | 2414 |
| Oletzko | city | Warminsko-Mazurskie | Poland | 54.04 | 22.51 | 830 | 6180 |
| Olkowo | city | Warminsko-Mazurskie | Poland | 54.10 | 20.03 | 121 | 3037 |
| Olownik | city | Warminsko-Mazurskie | Poland | 54.31 | 21.83 | 374 | 1379 |
| Olschau | city | Warminsko-Mazurskie | Poland | 53.34 | 20.38 | 830 | 3379 |
| Olschau Kreis Neidenburg | city | Warminsko-Mazurskie | Poland | 53.34 | 20.38 | 830 | 3379 |
| Olschewen | city | Warminsko-Mazurskie | Poland | 53.86 | 21.68 | 830 | 2691 |
| Olschewen | city | Warminsko-Mazurskie | Poland | 53.70 | 22.24 | 830 | 1450 |
| Olschewen Kreis Johannisburg | city | Warminsko-Mazurskie | Poland | 53.70 | 22.24 | 830 | 1450 |
| Olschienen | city | Warminsko-Mazurskie | Poland | 53.56 | 21.11 | 830 | 1023 |
| Olschowen | city | Warminsko-Mazurskie | Poland | 54.30 | 21.75 | 830 | 2359 |
| Olschowen | city | Warminsko-Mazurskie | Poland | 53.70 | 22.24 | 830 | 1450 |
| Olschowken | city | Warminsko-Mazurskie | Poland | 53.67 | 21.00 | 830 | 1808 |
| Olschöwen | city | Warminsko-Mazurskie | Poland | 54.07 | 22.39 | 830 | 4563 |
| Olschöwen | city | Warminsko-Mazurskie | Poland | 53.92 | 22.14 | 830 | 1670 |
| Olschöwen Kreis Lyck | city | Warminsko-Mazurskie | Poland | 53.92 | 22.14 | 830 | 1670 |
| Olszak | city | Warminsko-Mazurskie | Poland | 53.42 | 19.30 | 285 | 3204 |
| Olszanki | city | Warminsko-Mazurskie | Poland | 54.17 | 19.33 | 22 | 15568 |
| Olszewki | city | Warminsko-Mazurskie | Poland | 53.67 | 21.00 | 830 | 1808 |
| Olszewko | city | Warminsko-Mazurskie | Poland | 53.34 | 20.39 | 830 | 3685 |
| Olszewnik | city | Warminsko-Mazurskie | Poland | 53.98 | 20.78 | 830 | 2961 |
| Olszewo | city | Warminsko-Mazurskie | Poland | 54.07 | 22.39 | 830 | 4563 |
| Olszewo | city | Warminsko-Mazurskie | Poland | 53.92 | 22.14 | 830 | 1670 |
| Olszewo | city | Warminsko-Mazurskie | Poland | 53.86 | 21.68 | 830 | 2691 |
| Olszewo | city | Warminsko-Mazurskie | Poland | 53.70 | 22.24 | 830 | 1450 |
| Olszewo | city | Warminsko-Mazurskie | Poland | 53.34 | 20.38 | 830 | 3379 |
| Olszewo Wegorzewskie | city | Warminsko-Mazurskie | Poland | 54.30 | 21.75 | 830 | 2359 |
| Olsztyn | city | Warminsko-Mazurskie | Poland | 53.78 | 20.49 | 830 | 123883 |
| Olsztynek | city | Warminsko-Mazurskie | Poland | 53.58 | 20.29 | 830 | 2811 |
| Olszyny | city | Warminsko-Mazurskie | Poland | 53.56 | 21.11 | 830 | 1023 |
| Olŝtino | city | Warminsko-Mazurskie | Poland | 53.78 | 20.49 | 830 | 123883 |
| Olština | city | Warminsko-Mazurskie | Poland | 53.78 | 20.49 | 830 | 123883 |
| Olštineka | city | Warminsko-Mazurskie | Poland | 53.58 | 20.29 | 830 | 2811 |
| Olštynekas | city | Warminsko-Mazurskie | Poland | 53.58 | 20.29 | 830 | 2811 |
| Olštýn | city | Warminsko-Mazurskie | Poland | 53.78 | 20.49 | 830 | 123883 |
| Omule | city | Warminsko-Mazurskie | Poland | 53.49 | 19.84 | 830 | 4112 |
| Omulefofen | city | Warminsko-Mazurskie | Poland | 53.47 | 20.65 | 830 | 2369 |
| Omulew | city | Warminsko-Mazurskie | Poland | 53.47 | 20.65 | 830 | 2369 |
| Onufrigowen | city | Warminsko-Mazurskie | Poland | 53.69 | 21.60 | 830 | 1721 |
| Onufryjewo | city | Warminsko-Mazurskie | Poland | 53.69 | 21.60 | 830 | 1721 |
| Opavice | city | Warminsko-Mazurskie | Poland | 50.15 | 17.61 | 1243 | 4017 |
| Opawica | city | Warminsko-Mazurskie | Poland | 50.15 | 17.61 | 1243 | 4017 |
| Open | city | Warminsko-Mazurskie | Poland | 54.10 | 20.22 | 229 | 3364 |
| Opin | city | Warminsko-Mazurskie | Poland | 54.10 | 20.22 | 229 | 3364 |
| Opukelmühle | city | Warminsko-Mazurskie | Poland | 53.65 | 21.18 | 830 | 1643 |
| Opukelmüle | city | Warminsko-Mazurskie | Poland | 53.65 | 21.18 | 830 | 1643 |
| Oracze | city | Warminsko-Mazurskie | Poland | 53.87 | 22.35 | 830 | 33847 |
| Orewnowo | city | Warminsko-Mazurskie | Poland | 54.32 | 19.77 | 180 | 3882 |
| Orlau | city | Warminsko-Mazurskie | Poland | 53.45 | 20.46 | 830 | 4406 |
| Orlen | city | Warminsko-Mazurskie | Poland | 53.98 | 20.97 | 830 | 2110 |
| Orlen | city | Warminsko-Mazurskie | Poland | 53.97 | 21.57 | 830 | 2079 |
| Orlen Kreis Lötzen | city | Warminsko-Mazurskie | Poland | 53.97 | 21.57 | 830 | 2079 |
| Orlo | city | Warminsko-Mazurskie | Poland | 53.97 | 21.57 | 830 | 2079 |
| Orlowen | city | Warminsko-Mazurskie | Poland | 54.05 | 22.16 | 830 | 1642 |
| Orlowen | city | Warminsko-Mazurskie | Poland | 53.63 | 21.98 | 830 | 2827 |
| Orlowen Kreis Johannisburg | city | Warminsko-Mazurskie | Poland | 53.63 | 21.98 | 830 | 2827 |
| Orlowka | city | Warminsko-Mazurskie | Poland | 53.68 | 21.57 | 830 | 1882 |
| Orlowko | city | Warminsko-Mazurskie | Poland | 53.68 | 21.57 | 830 | 1882 |
| Orlowo | city | Warminsko-Mazurskie | Poland | 54.05 | 22.16 | 830 | 1642 |
| Orlowo | city | Warminsko-Mazurskie | Poland | 53.98 | 20.97 | 830 | 2110 |
| Orlowo | city | Warminsko-Mazurskie | Poland | 53.63 | 21.98 | 830 | 2827 |
| Orlowo | city | Warminsko-Mazurskie | Poland | 53.45 | 20.46 | 830 | 4406 |
| Orneta | city | Warminsko-Mazurskie | Poland | 54.11 | 20.13 | 242 | 4072 |
| Ornowo | city | Warminsko-Mazurskie | Poland | 53.66 | 19.94 | 830 | 27795 |
| Orschen | city | Warminsko-Mazurskie | Poland | 54.35 | 20.46 | 830 | 2091 |
| Orsy | city | Warminsko-Mazurskie | Poland | 54.35 | 20.46 | 830 | 2091 |
| Orszechowken | city | Warminsko-Mazurskie | Poland | 54.01 | 22.37 | 830 | 2663 |
| Ortel'sberg | city | Warminsko-Mazurskie | Poland | 53.56 | 20.99 | 830 | 34574 |
| Ortelsburg | city | Warminsko-Mazurskie | Poland | 53.56 | 20.99 | 830 | 34574 |
| Ortel’sberg | city | Warminsko-Mazurskie | Poland | 53.56 | 20.99 | 830 | 34574 |
| Orzechowen | city | Warminsko-Mazurskie | Poland | 53.96 | 22.15 | 830 | 1618 |
| Orzechowken | city | Warminsko-Mazurskie | Poland | 54.01 | 22.37 | 830 | 2663 |
| Orzechowko | city | Warminsko-Mazurskie | Poland | 54.01 | 22.37 | 830 | 2663 |
| Orzechowo | city | Warminsko-Mazurskie | Poland | 53.96 | 22.15 | 830 | 1618 |
| Orzechowo | city | Warminsko-Mazurskie | Poland | 53.97 | 20.54 | 830 | 3396 |
| Orzechowo | city | Warminsko-Mazurskie | Poland | 53.57 | 20.47 | 830 | 1316 |
| Orzeszki | city | Warminsko-Mazurskie | Poland | 53.46 | 21.23 | 830 | 1664 |
| Orzymy | city | Warminsko-Mazurskie | Poland | 53.68 | 21.07 | 830 | 1884 |
| Orzyny | city | Warminsko-Mazurskie | Poland | 53.68 | 21.07 | 830 | 1884 |
| Orzysz | city | Warminsko-Mazurskie | Poland | 53.81 | 21.95 | 830 | 2077 |
| Orło | city | Warminsko-Mazurskie | Poland | 53.97 | 21.57 | 830 | 2079 |
| Orłowo | city | Warminsko-Mazurskie | Poland | 54.05 | 22.16 | 830 | 1642 |
| Orłowo | city | Warminsko-Mazurskie | Poland | 53.98 | 20.97 | 830 | 2110 |
| Orłowo | city | Warminsko-Mazurskie | Poland | 53.63 | 21.98 | 830 | 2827 |
| Orłowo | city | Warminsko-Mazurskie | Poland | 53.45 | 20.46 | 830 | 4406 |
| Orłówko | city | Warminsko-Mazurskie | Poland | 53.68 | 21.57 | 830 | 1882 |
| Orżechówka | city | Warminsko-Mazurskie | Poland | 54.01 | 22.37 | 830 | 2663 |
| Oschekau | city | Warminsko-Mazurskie | Poland | 53.43 | 20.14 | 830 | 1653 |
| Osczywilken | city | Warminsko-Mazurskie | Poland | 53.75 | 22.03 | 830 | 2160 |
| Osetnik | city | Warminsko-Mazurskie | Poland | 54.16 | 19.97 | 173 | 2557 |
| Osetno | city | Warminsko-Mazurskie | Poland | 53.43 | 19.30 | 331 | 3038 |
| Osiek | city | Warminsko-Mazurskie | Poland | 54.11 | 19.86 | 272 | 1648 |
| Osiekowa | city | Warminsko-Mazurskie | Poland | 53.43 | 20.14 | 830 | 1653 |
| Osiekowo | city | Warminsko-Mazurskie | Poland | 53.43 | 20.14 | 830 | 1653 |
| Osiki | city | Warminsko-Mazurskie | Poland | 53.89 | 21.75 | 830 | 1243 |
| Osiniak | city | Warminsko-Mazurskie | Poland | 53.67 | 21.52 | 830 | 2007 |
| Osiniak-Piotrowo | city | Warminsko-Mazurskie | Poland | 53.66 | 21.51 | 830 | 2056 |
| Osowo | city | Warminsko-Mazurskie | Poland | 54.23 | 22.28 | 830 | 4043 |
| Osranken | city | Warminsko-Mazurskie | Poland | 53.74 | 22.18 | 830 | 1652 |
| Osranki | city | Warminsko-Mazurskie | Poland | 53.74 | 22.18 | 830 | 1652 |
| Ossau | city | Warminsko-Mazurskie | Poland | 54.23 | 22.28 | 830 | 4043 |
| Ossowen | city | Warminsko-Mazurskie | Poland | 54.23 | 22.28 | 830 | 4043 |
| Ostaszewo | city | Warminsko-Mazurskie | Poland | 53.38 | 19.82 | 830 | 3503 |
| Ostau | city | Warminsko-Mazurskie | Poland | 54.23 | 22.10 | 830 | 1853 |
| Osterode | city | Warminsko-Mazurskie | Poland | 53.70 | 19.96 | 403 | 45455 |
| Osterschau | city | Warminsko-Mazurskie | Poland | 53.44 | 20.29 | 830 | 2417 |
| Osterwein | city | Warminsko-Mazurskie | Poland | 53.65 | 20.10 | 830 | 458 |
| Osterwitt | city | Warminsko-Mazurskie | Poland | 53.45 | 20.10 | 830 | 1934 |
| Ostfliess | city | Warminsko-Mazurskie | Poland | 53.50 | 21.23 | 830 | 1551 |
| Ostre Bardo | city | Warminsko-Mazurskie | Poland | 54.34 | 20.99 | 177 | 1718 |
| Ostroda | city | Warminsko-Mazurskie | Poland | 53.70 | 19.96 | 403 | 45455 |
| Ostrokollen | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrokollen Kreis Lyck | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrokollen, Scharfenrade | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrowin | city | Warminsko-Mazurskie | Poland | 53.65 | 20.10 | 830 | 458 |
| Ostrowite | city | Warminsko-Mazurskie | Poland | 53.45 | 20.10 | 830 | 1934 |
| Ostrowite | city | Warminsko-Mazurskie | Poland | 53.42 | 19.27 | 314 | 3666 |
| Ostrowitt | city | Warminsko-Mazurskie | Poland | 53.45 | 20.10 | 830 | 1934 |
| Ostrowy | city | Warminsko-Mazurskie | Poland | 53.37 | 21.09 | 830 | 1711 |
| Ostrowy | city | Warminsko-Mazurskie | Poland | 53.22 | 19.75 | 830 | 3873 |
| Ostruda | city | Warminsko-Mazurskie | Poland | 53.70 | 19.96 | 403 | 45455 |
| Ostry Kamien | city | Warminsko-Mazurskie | Poland | 54.19 | 20.03 | 229 | 2869 |
| Ostrykol | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrykot | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostrykół | city | Warminsko-Mazurskie | Poland | 53.72 | 22.43 | 830 | 4567 |
| Ostróg | city | Warminsko-Mazurskie | Poland | 54.22 | 19.38 | 101 | 37473 |
| Ostrów | city | Warminsko-Mazurskie | Poland | 53.82 | 22.07 | 830 | 1968 |
| Ostrów Pieckowski | city | Warminsko-Mazurskie | Poland | 53.77 | 21.35 | 830 | 1613 |
| Oszczywilk | city | Warminsko-Mazurskie | Poland | 53.75 | 22.03 | 830 | 2160 |
| Oszczywilki | city | Warminsko-Mazurskie | Poland | 53.75 | 22.03 | 830 | 2160 |
| Osziwilken | city | Warminsko-Mazurskie | Poland | 53.75 | 22.03 | 830 | 2160 |
| Oszywilken | city | Warminsko-Mazurskie | Poland | 53.75 | 22.03 | 830 | 2160 |
| Otole | city | Warminsko-Mazurskie | Poland | 53.67 | 20.81 | 830 | 2432 |
| Otry | city | Warminsko-Mazurskie | Poland | 53.96 | 21.07 | 830 | 2558 |
| Otręba | city | Warminsko-Mazurskie | Poland | 53.42 | 19.44 | 341 | 6555 |
| Ottenberge | city | Warminsko-Mazurskie | Poland | 53.57 | 21.91 | 830 | 3596 |
| Ottendorf | city | Warminsko-Mazurskie | Poland | 53.91 | 20.64 | 830 | 726 |
| Ottern | city | Warminsko-Mazurskie | Poland | 53.96 | 21.07 | 830 | 2558 |
| Ottilienhof | city | Warminsko-Mazurskie | Poland | 53.67 | 20.81 | 830 | 2432 |
| Owczarnia | city | Warminsko-Mazurskie | Poland | 54.07 | 19.63 | 164 | 5592 |
| Owe Kusy | city | Warminsko-Mazurskie | Poland | 54.05 | 19.58 | 121 | 3354 |
| 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 |
| Ožiša | city | Warminsko-Mazurskie | Poland | 53.81 | 21.95 | 830 | 2077 |