| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Онг-Менгете | city | Sakha (Yakutiya) | Russia | 62.77 | 117.70 | 830 | 0 |
| Онга-Мукса | city | Kareliya | Russia | 62.14 | 33.03 | 413 | 107 |
| Онгапось | city | Chuvashiya | Russia | 56.08 | 47.05 | 830 | 4813 |
| Онгассааре | city | Ida-Virumaa | Estonia | 59.20 | 27.47 | 209 | 151 |
| Онгача | city | Tyva | Russia | 51.37 | 94.77 | 2509 | 0 |
| Онгача | city | Tyva | Russia | 51.18 | 93.68 | 5029 | 298 |
| Онге | city | Vasternorrland | Sweden | 62.52 | 15.62 | 830 | 393 |
| Онги-Ламби | city | Kareliya | Russia | 61.73 | 32.15 | 321 | 0 |
| Онгкучах | city | Sakha (Yakutiya) | Russia | 66.23 | 114.70 | 928 | 0 |
| Онгла-д-Сант-Флур | city | Auvergne | France | 44.98 | 3.15 | 2680 | 1958 |
| Онглефор | city | Rhone-Alpes | France | 45.91 | 5.81 | 830 | 4772 |
| Онгль | city | Provence-Alpes-Cote d'Azur | France | 44.03 | 5.73 | 1922 | 1381 |
| Онгой | city | Irkutskaya Oblast' | Russia | 53.04 | 105.05 | 2509 | 298 |
| Онгой | city | Irkutskaya Oblast' | Russia | 53.51 | 104.03 | 1669 | 447 |
| Онгол | city | Andhra Pradesh | India | 15.50 | 80.04 | 45 | 166325 |
| Онголе | city | Andhra Pradesh | India | 15.50 | 80.04 | 45 | 166325 |
| Онгосор | city | Irkutskaya Oblast' | Russia | 53.39 | 104.25 | 1669 | 447 |
| Онгри | city | Pays de la Loire | France | 47.57 | -0.97 | 213 | 2169 |
| Онгудай | city | Altay | Russia | 50.75 | 86.15 | 2687 | 149 |
| Онгула | city | Poitou-Charentes | France | 46.11 | -1.11 | 39 | 32122 |
| Онгулем | city | Poitou-Charentes | France | 45.65 | 0.15 | 213 | 74697 |
| Онгурен | city | Irkutskaya Oblast' | Russia | 53.64 | 107.59 | 1669 | 105 |
| Онгљу | city | Champagne-Ardenne | France | 48.59 | 3.81 | 239 | 2378 |