| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Omcali | city | Mus | Turkey | 39.12 | 41.65 | 6709 | 3874 |
| Omch'am | city | Chagang | Korea, Dem. Peoples Rep. of (North) | 40.23 | 126.59 | 1669 | 3278 |
| Omch'on | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.96 | 127.73 | 830 | 70001 |
| Omch'on | city | Hamnam | Korea, Dem. Peoples Rep. of (North) | 39.52 | 127.24 | 6 | 28338 |
| Omchak | city | Magadanskaya Oblast' | Russia | 61.64 | 147.88 | 2572 | 0 |
| Omchali | city | Turkmenistan | 40.71 | 53.68 | -1689 | 61 | |
| Omchali | city | Turkmenistan | 40.61 | 53.74 | 341 | 92 | |
| Omchaly | city | Turkmenistan | 40.71 | 53.68 | -1689 | 61 | |
| Omchely | city | Turkmenistan | 40.71 | 53.68 | -1689 | 61 | |
| Omchhu | city | Sikkim | India | 27.22 | 88.34 | 3349 | 33213 |
| Omchi | city | Tibesti | Chad | 21.37 | 17.90 | 3392 | 0 |
| Omchikandya | city | Sakha (Yakutiya) | Russia | 69.62 | 141.80 | 830 | 0 |
| Omchuk | city | Sakha (Yakutiya) | Russia | 67.70 | 139.52 | 1003 | 0 |
| Omco | city | Nevada | United States | 38.61 | -117.89 | 6171 | |
| Omcular | city | Kastamonu | Turkey | 41.28 | 33.61 | 3471 | 2086 |