| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Otta | city | Fukui | Japan | 35.62 | 135.98 | 328 | 13343 |
| Ottachi | city | Shimane | Japan | 35.28 | 132.72 | 354 | 21978 |
| Ottachicho | city | Shimane | Japan | 35.28 | 132.72 | 354 | 21978 |
| Ottinpe | city | Hokkaido | Japan | 44.77 | 142.72 | 65 | 871 |
| Otto | city | Aichi | Japan | 34.59 | 137.14 | 3 | 13880 |
| OttomochÅ | city | Kanagawa | Japan | 35.33 | 139.63 | 22 | 422538 |