| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Oba-Simo | city | Kyoto-fu | Japan | 35.5 | 135.4166667 | 574 | 57031 |
| Oba-kami | city | Kyoto-fu | Japan | 35.5 | 135.4166667 | 574 | 57031 |
| Oba-shimo | city | Kyoto-fu | Japan | 35.5 | 135.4166667 | 574 | 57031 |
| Obara | city | Kyoto-fu | Japan | 35.25 | 135.3 | 984 | 69744 |
| Obuse | city | Kyoto-fu | Japan | 35.2 | 135.7833333 | 1640 | 69683 |
| Ofuse | city | Kyoto-fu | Japan | 35.2 | 135.7833333 | 1640 | 69683 |
| Ogura | city | Kyoto-fu | Japan | 34.9 | 135.7833333 | 118 | 71454 |
| Oguracho | city | Kyoto-fu | Japan | 34.9 | 135.7833333 | 118 | 71454 |
| OgurachÅ | city | Kyoto-fu | Japan | 34.9 | 135.7833333 | 118 | 71454 |
| Oguramachi | city | Kyoto-fu | Japan | 34.9 | 135.7833333 | 118 | 71454 |
| Ohara | city | Kyoto-fu | Japan | 35.25 | 135.3 | 984 | 69744 |
| Ohara | city | Kyoto-fu | Japan | 35.1166667 | 135.8333333 | 1604 | 65034 |
| Ohara-Uenocho | city | Kyoto-fu | Japan | 35.1166667 | 135.8333333 | 1604 | 65034 |
| Oji | city | Kyoto-fu | Japan | 34.9833333 | 135.6166667 | 984 | 168497 |
| Okitayama-Kinugasayama | city | Kyoto-fu | Japan | 35.0333333 | 135.7333333 | 301 | 69825 |
| Okuse | city | Kyoto-fu | Japan | 35.2 | 135.7833333 | 1640 | 69683 |
| Ono | city | Kyoto-fu | Japan | 35.2833333 | 135.5166667 | 629 | 69615 |
| Onyo | city | Kyoto-fu | Japan | 35.5166667 | 135.35 | 528 | 35583 |
| Onyu | city | Kyoto-fu | Japan | 35.5166667 | 135.35 | 528 | 35583 |
| Ota | city | Kyoto-fu | Japan | 35.0166667 | 135.5333333 | 462 | 94701 |
| Otani | city | Kyoto-fu | Japan | 35.0166667 | 135.5333333 | 462 | 94701 |
| Otanu | city | Kyoto-fu | Japan | 35.5166667 | 135.35 | 528 | 35583 |
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