| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ончеви | city | Rach'a-Lechkhumi da Kvemo Svaneti | Georgia | 42.56 | 43.50 | 3736 | 541 |
| Ончешть | city | Bacau | Romania | 46.47 | 27.25 | 830 | 3330 |
| Ончешть | city | Alba | Romania | 46.30 | 23.42 | 2627 | 1046 |
| Ончешть | city | Giurgiu | Romania | 43.95 | 25.88 | 183 | 3247 |
| Ончештій-Векі | city | Bacau | Romania | 46.45 | 27.25 | 830 | 3274 |
| Ончжин | city | Hwangnam | Korea, Dem. Peoples Rep. of (North) | 37.93 | 125.36 | 39 | 20795 |
| Ончу | city | Galati | Romania | 46.05 | 27.93 | 830 | 4999 |
| Ончутенки | city | Kostromskaya Oblast' | Russia | 58.96 | 47.55 | 830 | 298 |