| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Oqueldan | city | Los Lagos | Chile | -43.11 | -73.54 | 6 | 527 |
| Oroco | city | Los Lagos | Chile | -41.43 | -72.76 | 88 | 298 |
| Osorno | city | Los Lagos | Chile | -40.57 | -73.13 | 308 | 52481 |
| Ostiones | city | Los Lagos | Chile | -41.46 | -73.34 | 19 | 925 |