| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Omaha Heights | city | California | United States | 34.08 | -118.19 | 830 | |
| Omega | city | California | United States | 39.33 | -120.75 | 4471 | |
| Omira | city | California | United States | 39.97 | -120.08 | 4389 | |
| Omo Ranch | city | California | United States | 38.58 | -120.57 | 3599 | |
| Omus | city | California | United States | 38.72 | -122.92 | 232 |