| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ōbira | city | Oita-ken | Japan | 32.8166667 | 131.3833333 | 3536 | 21615 |
| Ōgora | city | Oita-ken | Japan | 32.95 | 131.95 | 328 | 17116 |
| Ōhama | city | Oita-ken | Japan | 33.1333333 | 131.8166667 | 0 | 19077 |
| Ōita | city | Oita-ken | Japan | 33.2372222 | 131.6044444 | 65 | 17808 |
| Ōkawara | city | Oita-ken | Japan | 32.95 | 131.95 | 328 | 17116 |
| Ōkōra | city | Oita-ken | Japan | 32.95 | 131.95 | 328 | 17116 |
| Ōshima | city | Oita-ken | Japan | 32.95 | 132.0666667 | 0 | 3257 |
| Ōtomari | city | Oita-ken | Japan | 33.1166667 | 131.8333333 | 285 | 20950 |
| Ōtomari-ku | city | Oita-ken | Japan | 33.1166667 | 131.8333333 | 285 | 20950 |
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