| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ōbatake | city | Yamanashi | Japan | 35.26 | 138.55 | 830 | 36696 |
| Ōdawa | city | Yamanashi | Japan | 35.49 | 138.72 | 3349 | 22351 |
| Ōike | city | Yamanashi | Japan | 35.43 | 138.86 | 3349 | 25097 |
| Ōiso-koiso | city | Yamanashi | Japan | 35.50 | 138.53 | 1669 | 9704 |
| Ōtsuki | city | Yamanashi | Japan | 35.60 | 138.93 | 1669 | 23943 |
| Ōwatari | city | Yamanashi | Japan | 35.83 | 138.48 | 2860 | 6372 |