| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ōga | city | Saga-ken | Japan | 33.5016667 | 129.9558333 | 0 | 19757 |
| Ōga | city | Mie-ken | Japan | 34.1 | 136.2166667 | 656 | 31546 |
| Ōgai | city | Gumma-ken | Japan | 36.1666667 | 138.9333333 | 2194 | 38134 |
| Ōgaki | city | Gifu-ken | Japan | 35.35 | 136.6166667 | 68 | 24252 |
| Ōganeku | city | Okinawa-ken | Japan | 26.7 | 128.1166667 | 311 | 19134 |
| Ōgasato | city | Aichi-ken | Japan | 34.7833333 | 137.4 | 49 | 161792 |
| Ōgashio | city | Mie-ken | Japan | 34.35 | 136.4166667 | 820 | 39128 |
| Ōgasho | city | Mie-ken | Japan | 34.35 | 136.4166667 | 820 | 39128 |
| Ōgata | city | Tokushima-ken | Japan | 33.8833333 | 134.6666667 | 0 | 12149 |
| Ōgi | city | Kochi-ken | Japan | 32.8166667 | 132.95 | 3 | 10133 |
| Ōgida | city | Akita-ken | Japan | 40.2219444 | 140.585 | 232 | 11991 |
| Ōgida | city | Aomori-ken | Japan | 40.4833333 | 141.3166667 | 295 | 17427 |
| Ōgigaura | city | Tokyo-to | Japan | 27.0666667 | 142.2 | 364 | 12003 |
| Ōgimachi | city | Kanagawa-ken | Japan | 35.5 | 139.7333333 | 0 | 173637 |
| Ōgimachiya | city | Saitama-ken | Japan | 35.8333333 | 139.4 | 328 | 307340 |
| Ōgimi | city | Okinawa-ken | Japan | 26.7 | 128.1166667 | 311 | 19134 |
| Ōgimi-son | city | Okinawa-ken | Japan | 26.7 | 128.1166667 | 311 | 19134 |
| Ōgimura | city | Tokyo-to | Japan | 27.0666667 | 142.2 | 364 | 12003 |
| Ōgishi | city | Hokkaido | Japan | 42.5833333 | 140.6333333 | 3 | 2814 |
| Ōgita | city | Akita-ken | Japan | 40.2219444 | 140.585 | 232 | 11991 |
| Ōgiura | city | Tokyo-to | Japan | 27.0666667 | 142.2 | 364 | 12003 |
| Ōgo | city | Hyogo-ken | Japan | 34.8166667 | 135.1 | 472 | 79587 |
| Ōgo | city | Gumma-ken | Japan | 36.4166667 | 139.1666667 | 561 | 38017 |
| Ōgomi | city | Kochi-ken | Japan | 33.3666667 | 133.0166667 | 1587 | 14245 |
| Ōgora | city | Oita-ken | Japan | 32.95 | 131.95 | 328 | 17116 |
| Ōgoto | city | Niigata-ken | Japan | 38.4333333 | 139.5833333 | 656 | 22799 |
| Ōgu | city | Hiroshima-ken | Japan | 34.5333333 | 132.9166667 | 1069 | 41153 |
| Ōguchi | city | Kagoshima-ken | Japan | 32.0666667 | 130.6166667 | 652 | 28462 |
| Ōguda | city | Kagoshima-ken | Japan | 28.1 | 129.3166667 | 32 | 20006 |
| Ōguki | city | Ehime-ken | Japan | 33.5166667 | 132.6666667 | 328 | 34136 |
| Ōguma | city | Wakayama-ken | Japan | 33.9833333 | 135.5666667 | 2188 | 29785 |
| Ōgusuku | city | Okinawa-ken | Japan | 26.15 | 127.75 | 462 | 29201 |
| Ōguta | city | Kagoshima-ken | Japan | 28.1 | 129.3166667 | 32 | 20006 |
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