| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Ohogamiut | city | Alaska | United States | 61.56778 | -161.86361 | 16 | 5 |
| Old Bettles historical | city | Alaska | United States | 66.90694 | -151.68306 | 574 | 0 |
| Old Harbor | city | Alaska | United States | 57.20278 | -153.30389 | 0 | 11 |
| Old Minto | city | Alaska | United States | 64.88722 | -149.17472 | 305 | 5 |
| Old Rampart | city | Alaska | United States | 67.16444 | -141.67083 | 803 | 0 |
| Old Tyonek | city | Alaska | United States | 61.03806 | -151.28306 | 0 | 0 |
| Old Valdez | city | Alaska | United States | 61.11583 | -146.26639 | 13 | 22 |
| Olnes | city | Alaska | United States | 65.07417 | -147.67 | 784 | 61 |
| Ophir | city | Alaska | United States | 63.14472 | -156.51944 | 669 | 0 |
| Orca | city | Alaska | United States | 60.57222 | -145.7 | 1276 | 5 |
| Oscarville | city | Alaska | United States | 60.72278 | -161.77 | 3 | 1044 |
| Oskawalik | city | Alaska | United States | 61.74389 | -158.19278 | 291 | 0 |
| Ouzinkie | city | Alaska | United States | 57.92361 | -152.50222 | 0 | 4 |
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