| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| On-Begi | city | Turkmenistan | 37.37 | 59.63 | 935 | 596 | |
| On-Eki-Moynok | city | Osh | Kyrgyzstan | 40.30 | 72.30 | 4189 | 5218 |
| On-a-Slant Village (historical) | city | North Dakota | United States | 46.77 | -100.85 | 1699 | |
| On-dong | city | Korea, Dem. Peoples Rep. of (North) | 38.28 | 125.62 | 167 | 32755 | |
| On-dong | city | Korea, Dem. Peoples Rep. of (North) | 37.77 | 125.90 | 0 | 564 | |
| On-dong | city | P'yongyang | Korea, Dem. Peoples Rep. of (North) | 39.12 | 126.15 | 108 | 30566 |
| On-et | city | Shan State | Burma | 21.05 | 96.65 | 3772 | 3056 |
| On-gol | city | Gyeongbuk | Korea, Republic of (South) | 37.02 | 129.41 | 157 | 4072 |
| On-gol | city | Jeonnam | Korea, Republic of (South) | 34.73 | 127.21 | 0 | 3649 |
| On-hlut | city | Mandalay | Burma | 22.24 | 96.32 | 830 | 21754 |
| On-ma-thi | city | Shan State | Burma | 22.23 | 96.67 | 2509 | 4023 |
| On-ni | city | Chungnam | Korea, Republic of (South) | 36.77 | 126.87 | 52 | 39240 |
| On-take | city | Yamanashi | Japan | 35.77 | 138.55 | 3349 | 24978 |