| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oppa | city | Miyagi-ken | Japan | 38.5666667 | 141.4333333 | 3 | 34432 |
| Oppama | city | Kanagawa-ken | Japan | 35.3094444 | 139.6255556 | 72 | 270908 |
| Oppamacho | city | Kanagawa-ken | Japan | 35.3094444 | 139.6255556 | 72 | 270908 |
| OppamachÅ | city | Kanagawa-ken | Japan | 35.3094444 | 139.6255556 | 72 | 270908 |
| Opporo | city | Hokkaido | Japan | 43 | 144.7 | 131 | 6206 |
| Opporo | city | Hokkaido | Japan | 43.0686111 | 144.7238889 | 141 | 7345 |
| Oppurui | city | Shimane-ken | Japan | 35.45 | 132.75 | 72 | 10658 |
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