| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Obata | city | Aomori-ken | Japan | 41.4036111 | 141.1672222 | 65 | 9076 |
| Obatakesawa | city | Aomori-ken | Japan | 40.7166667 | 140.75 | 633 | 17361 |
| Obatazawa | city | Aomori-ken | Japan | 40.7166667 | 140.75 | 633 | 17361 |
| Obuchi | city | Aomori-ken | Japan | 40.9666667 | 141.3733333 | 3 | 14567 |
| Odai | city | Aomori-ken | Japan | 41.0588889 | 140.5530556 | 223 | 17273 |
| Odaira | city | Aomori-ken | Japan | 41.2833333 | 141.1666667 | 3 | 11372 |
| Odate | city | Aomori-ken | Japan | 40.7833333 | 140.3166667 | 62 | 16889 |
| Odomari | city | Aomori-ken | Japan | 41.2166667 | 140.5166667 | 0 | 4455 |
| Ogara | city | Aomori-ken | Japan | 40.7166667 | 141.3 | 65 | 17361 |
| Ogawara | city | Aomori-ken | Japan | 40.7166667 | 141.3 | 65 | 17361 |
| Ogida | city | Aomori-ken | Japan | 40.4833333 | 141.3166667 | 295 | 17427 |
| Ogita | city | Aomori-ken | Japan | 40.4833333 | 141.3166667 | 295 | 17427 |
| Oguno | city | Aomori-ken | Japan | 40.8 | 140.7666667 | 32 | 12512 |
| Ohata | city | Aomori-ken | Japan | 41.4036111 | 141.1672222 | 65 | 9076 |
| Ohira | city | Aomori-ken | Japan | 41.2833333 | 141.1666667 | 3 | 11372 |
| Oirase | city | Aomori-ken | Japan | 40.6836111 | 139.9716667 | 275 | 10326 |
| Okamachi | city | Aomori-ken | Japan | 40.65 | 139.9333333 | 239 | 10541 |
| Okanomachi | city | Aomori-ken | Japan | 40.65 | 139.9333333 | 239 | 10541 |
| Okidate | city | Aomori-ken | Japan | 40.8333333 | 140.7333333 | 3 | 13377 |
| Okoppe | city | Aomori-ken | Japan | 41.4833333 | 140.9 | 104 | 8609 |
| Okuki | city | Aomori-ken | Japan | 40.4833333 | 141.6166667 | 167 | 13332 |
| Okuno | city | Aomori-ken | Japan | 40.8 | 140.7666667 | 32 | 12512 |
| Okuno Uramachi | city | Aomori-ken | Japan | 40.8 | 140.7666667 | 32 | 12512 |
| Okuse | city | Aomori-ken | Japan | 40.585 | 141.0922222 | 459 | 17393 |
| Oma | city | Aomori-ken | Japan | 41.5219444 | 140.9066667 | 82 | 4494 |
| Omagoe | city | Aomori-ken | Japan | 40.4844444 | 139.9527778 | 328 | 6409 |
| Omagoshi | city | Aomori-ken | Japan | 40.4844444 | 139.9527778 | 328 | 6409 |
| Omakoshi | city | Aomori-ken | Japan | 40.4844444 | 139.9527778 | 328 | 6409 |
| Ominato | city | Aomori-ken | Japan | 41.2730556 | 141.1552778 | 3 | 13187 |
| Ominatocho | city | Aomori-ken | Japan | 41.2730556 | 141.1552778 | 3 | 13187 |
| Omisawa | city | Aomori-ken | Japan | 40.6836111 | 141.3597222 | 131 | 17371 |
| Onizawa | city | Aomori-ken | Japan | 40.6833333 | 140.4 | 190 | 17371 |
| Ono | city | Aomori-ken | Japan | 40.8166667 | 140.7333333 | 16 | 13377 |
| Osame | city | Aomori-ken | Japan | 40.9666667 | 141.3733333 | 3 | 14567 |
| Otaira | city | Aomori-ken | Japan | 41.0588889 | 140.5530556 | 223 | 17273 |
| Otanosawa | city | Aomori-ken | Japan | 41.2227778 | 141.4005556 | 3 | 11651 |
| Owani | city | Aomori-ken | Japan | 40.5186111 | 140.5705556 | 528 | 17417 |
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