| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Os Ánxeles | city | California | United States | 34.05 | -118.24 | 311 | |
| Osborne | city | California | United States | 40.72 | -122.03 | 1669 | |
| Ostrom | city | California | United States | 39.07 | -121.51 | 59 | |
| Oswald | city | California | United States | 39.07 | -121.63 | 45 |