| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Koio | city | Kanem | Chad | 14.12 | 15.34 | 1072 | 96083 |
| Koiola | city | Polvamaa | Estonia | 57.98 | 27.06 | 282 | 1451 |
| Koiomkane | city | Chimbu | Papua New Guinea | -6.38 | 144.71 | 3349 | 4023 |
| Koionoura | city | Nagasaki | Japan | 33.12 | 129.70 | 0 | 38265 |
| Koiorinoura | city | Nagasaki | Japan | 33.12 | 129.70 | 0 | 38265 |