| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ома | city | Nenetskiy Avtonomnyy Okrug | Russia | 66.64 | 46.49 | 95 | 0 |
| Омадык | city | Kalmykiya | Russia | 47.92 | 45.10 | 13 | 281 |
| Омаедзакі | city | Shizuoka | Japan | 34.60 | 138.22 | 0 | 13062 |
| Омаезаки | city | Shizuoka | Japan | 34.60 | 138.22 | 0 | 13062 |
| Омак | city | Washington | United States | 48.41 | -119.53 | 872 | |
| Омал | city | Haute-Normandie | France | 49.77 | 1.76 | 830 | 4683 |
| Омала | city | Tokat | Turkey | 40.43 | 36.75 | 2532 | 4917 |
| Омало | city | K'akheti | Georgia | 42.38 | 45.63 | 5869 | 1639 |
| Омало | city | K'akheti | Georgia | 42.18 | 45.32 | 2857 | 1639 |
| Оман | city | Yambol | Bulgaria | 42.27 | 26.92 | 830 | 1044 |
| Оманово | city | Nizhegorodskaya Oblast' | Russia | 56.39 | 44.13 | 255 | 12222 |
| Омар | city | Serbia | 43.85 | 19.66 | 2509 | 5662 | |
| Омар | city | Tatarstan | Russia | 55.54 | 51.19 | 193 | 1235 |
| Омар Пүчинкәсе | city | Tatarstan | Russia | 55.55 | 51.21 | 232 | 1260 |
| Омараани | city | Georgia | 41.93 | 45.13 | 4189 | 1869 | |
| Омаришара | city | Apkhazeti | Georgia | 43.11 | 41.84 | 3349 | 0 |
| Омарска | city | Republika Srpska | Bosnia & Herzegovina | 44.89 | 16.90 | 830 | 3874 |
| Омарский Починок | city | Tatarstan | Russia | 55.55 | 51.21 | 232 | 1260 |
| Омаруру | city | Erongo | Namibia | -21.43 | 15.93 | 4189 | 639 |
| Омарчево | city | Shumen | Bulgaria | 43.57 | 27.05 | 1085 | 3558 |
| Омарчево | city | Sliven | Bulgaria | 42.45 | 26.13 | 830 | 2235 |
| Омары | city | Tatarstan | Russia | 55.54 | 51.19 | 193 | 1235 |
| Омати | city | Nagano | Japan | 36.50 | 137.87 | 2552 | 6565 |
| Оматі | city | Nagano | Japan | 36.50 | 137.87 | 2552 | 6565 |
| Омаха | city | Arkansas | United States | 36.45 | -93.19 | 1197 | |
| Омаха | city | Nebraska | United States | 41.26 | -95.94 | 1059 | |
| Омахта | city | Sakha (Yakutiya) | Russia | 57.35 | 131.20 | 2673 | 0 |
| Омачи | city | Nagano | Japan | 36.50 | 137.87 | 2552 | 6565 |
| Омачкино | city | Ivanovskaya Oblast' | Russia | 56.97 | 39.68 | 830 | 745 |
| Омаэдзаки | city | Shizuoka | Japan | 34.60 | 138.22 | 0 | 13062 |