| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ōbori | city | Fukushima-ken | Japan | 37.4666667 | 140.95 | 164 | 18603 |
| Ōdaira | city | Fukushima-ken | Japan | 37.85 | 140.2833333 | 2624 | 17139 |
| Ōdaki | city | Fukushima-ken | Japan | 37.8333333 | 140.3333333 | 1640 | 18061 |
| Ōdera | city | Fukushima-ken | Japan | 37.55 | 139.9833333 | 1318 | 18465 |
| Ōhara-Ōashi | city | Fukushima-ken | Japan | 37.6666667 | 140.8666667 | 557 | 18551 |
| Ōhira | city | Fukushima-ken | Japan | 37.85 | 140.2833333 | 2624 | 17139 |
| Ōhori | city | Fukushima-ken | Japan | 37.4666667 | 140.95 | 164 | 18603 |
| Ōkawa | city | Fukushima-ken | Japan | 37.4 | 139.4666667 | 1312 | 18624 |
| Ōmika | city | Fukushima-ken | Japan | 37.6 | 141 | 75 | 10647 |
| Ōnoshimachi | city | Fukushima-ken | Japan | 37.2833333 | 140.6333333 | 1469 | 18652 |
| Ōshio | city | Fukushima-ken | Japan | 37.6666667 | 139.9833333 | 1735 | 18551 |
| Ōtaki | city | Fukushima-ken | Japan | 37.8333333 | 140.3333333 | 1640 | 18061 |
| Ōtaniuchi | city | Fukushima-ken | Japan | 37.2 | 140.9833333 | 164 | 14364 |
| Ōtera | city | Fukushima-ken | Japan | 37.55 | 139.9833333 | 1318 | 18465 |
| Ōtsu | city | Fukushima-ken | Japan | 36.9166667 | 140.7833333 | 9 | 17956 |
| Ōtsuki | city | Fukushima-ken | Japan | 37.3833333 | 140.3166667 | 902 | 18624 |
| Ōyauchi | city | Fukushima-ken | Japan | 37.2 | 140.9833333 | 164 | 14364 |
| Ōzawa | city | Fukushima-ken | Japan | 37.5666667 | 141.0166667 | 32 | 11409 |
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