| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| OIM (OSHIMA) | airport | Japan | 34.78 | 139.36 | 130 | 0 | |
| OIR (OKUSHIRI) | airport | Japan | 42.07 | 139.43 | 161 | 0 | |
| OIT (OITA) | airport | Japan | 33.48 | 131.74 | 19 | 0 | |
| OITA | airport | Japan | 33.48 | 131.74 | 19 | 0 | |
| OIguricho | city | Ehime | Japan | 33.82 | 132.77 | 88 | 191684 |