| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Obarai | city | Miyazaki-ken | Japan | 32.5833333 | 131.25 | 1968 | 19062 |
| Obirano | city | Miyazaki-ken | Japan | 31.65 | 131.15 | 1128 | 22269 |
| Odotsu | city | Miyazaki-ken | Japan | 31.55 | 131.3833333 | 0 | 11714 |
| Ofurukawa | city | Miyazaki-ken | Japan | 31.8 | 131.0333333 | 580 | 19532 |
| Oharai | city | Miyazaki-ken | Japan | 32.5833333 | 131.25 | 1968 | 19062 |
| Ohirano | city | Miyazaki-ken | Japan | 31.65 | 131.15 | 1128 | 22269 |
| Okadomi | city | Miyazaki-ken | Japan | 32.5833333 | 131.6666667 | 49 | 13272 |
| Okatomi | city | Miyazaki-ken | Japan | 32.5833333 | 131.6666667 | 49 | 13272 |
| Okawachi | city | Miyazaki-ken | Japan | 32.3666667 | 131.15 | 2952 | 20142 |
| Okochi | city | Miyazaki-ken | Japan | 32.3666667 | 131.15 | 2952 | 20142 |
| Okubo | city | Miyazaki-ken | Japan | 31.85 | 131.3666667 | 278 | 19212 |
| Oryuzako | city | Miyazaki-ken | Japan | 31.7833333 | 131.4666667 | 285 | 8027 |
| Oryƫzako | city | Miyazaki-ken | Japan | 31.7833333 | 131.4666667 | 285 | 8027 |
| Ozaki | city | Miyazaki-ken | Japan | 32.4166667 | 131.1 | 2290 | 19745 |
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