| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oehlmann Park | city | Colorado | United States | 39.51889 | -105.25861 | 8303 | 4820 |
| Oella | city | Maryland | United States | 39.27389 | -76.78694 | 347 | 94219 |
| Oelrichs | city | South Dakota | United States | 43.17889 | -103.23028 | 3398 | 61 |
| Oelwein | city | Iowa | United States | 42.67333 | -91.91333 | 1049 | 7336 |
| Oenaville | city | Texas | United States | 31.1275 | -97.22806 | 547 | 2279 |
| Oermann | city | Missouri | United States | 38.30806 | -90.72333 | 698 | 3750 |
| Oetters | city | Missouri | United States | 38.55528 | -90.79361 | 498 | 3685 |
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