| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ōgimachiya | city | Saitama-ken | Japan | 35.8333333 | 139.4 | 328 | 307340 |
| Ōi | city | Saitama-ken | Japan | 35.8511111 | 139.5166667 | 75 | 217539 |
| Ōkubo | city | Saitama-ken | Japan | 35.9852778 | 139.0255556 | 984 | 216430 |
| Ōkurayama | city | Saitama-ken | Japan | 35.9352778 | 139.1722222 | 1312 | 216543 |
| Ōmiya | city | Saitama-ken | Japan | 35.9072222 | 139.6202778 | 52 | 216658 |
| Ōno | city | Saitama-ken | Japan | 35.9883333 | 139.2022222 | 1148 | 216430 |
| Ōsawa | city | Saitama-ken | Japan | 35.9 | 139.7833333 | 22 | 216658 |
| Ōwada | city | Saitama-ken | Japan | 35.8 | 139.55 | 124 | 299050 |
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