| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onghkoek | city | Shan State | Burma | 22.50 | 97.27 | 1669 | 3973 |
| Onghkök | city | Shan State | Burma | 22.50 | 97.27 | 1669 | 3973 |
| Onghni | city | Uttar Pradesh | India | 25.74 | 83.11 | 206 | 93617 |
| Onghon | city | Shan State | Burma | 20.09 | 98.12 | 3602 | 2370 |
| Onghsi | city | Shan State | Burma | 22.27 | 97.45 | 2739 | 3301 |
| Onghuidong | city | Hambuk | Korea, Dem. Peoples Rep. of (North) | 42.49 | 129.86 | 1079 | 10728 |
| Onghwiyu | city | Ohangwena | Namibia | -17.53 | 16.85 | 3707 | 887 |