| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Onwa | city | Magway | Burma | 20.81 | 94.20 | 1062 | 2384 |
| Onwa | city | Chhattisgarh | India | 20.85 | 82.17 | 987 | 8642 |
| Onwakiko | city | Imo | Nigeria | 5.74 | 6.74 | 377 | 45091 |
| Onward | city | Indiana | United States | 40.69 | -86.19 | 830 | |
| Onward | city | Mississippi | United States | 32.73 | -90.94 | 98 | |
| Onwari | city | New Caledonia | -21.68 | 165.78 | 830 | 1437 | |
| Onway Lake | city | New Hampshire | United States | 43.03 | -71.22 | 265 | |
| Onwenya | city | Ebonyi | Nigeria | 6.32 | 8.27 | 357 | 14901 |
| Onwetendefontein | city | Northern Cape | South Africa | -31.50 | 19.91 | 3480 | 0 |
| Onwetensfontein | city | Northern Cape | South Africa | -31.50 | 19.91 | 3480 | 0 |
| Onwi | city | Ghana | 6.68 | -1.45 | 830 | 49578 | |
| Onwi | city | Ghana | 6.53 | -1.50 | 830 | 10994 | |
| Onwi | city | Gyeonggi | Korea, Republic of (South) | 37.98 | 127.45 | 1013 | 924 |
| Onwinbaar | city | KwaZulu-Natal | South Africa | -28.51 | 29.20 | 6122 | 400 |