| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ocacucho | city | Tarapaca | Chile | -19.80 | -68.73 | 14419 | 0 |
| Ocharaza | city | Tarapaca | Chile | -19.88 | -69.43 | 6709 | 0 |
| Oficina Adriático | city | Tarapaca | Chile | -20.40 | -69.93 | 4189 | 149 |
| Oficina Bellavista | city | Tarapaca | Chile | -20.82 | -69.72 | 3349 | 149 |
| Oficina Buen Retiro | city | Tarapaca | Chile | -20.23 | -69.82 | 3523 | 149 |
| Oficina Carmen Bajo | city | Tarapaca | Chile | -20.27 | -69.79 | 3428 | 149 |
| Oficina Cholita | city | Tarapaca | Chile | -20.37 | -69.88 | 3484 | 149 |
| Oficina Constancia | city | Tarapaca | Chile | -20.01 | -69.78 | 3645 | 3 |
| Oficina Coruna | city | Tarapaca | Chile | -20.48 | -69.88 | 3435 | 149 |
| Oficina Diana | city | Tarapaca | Chile | -20.47 | -69.77 | 3349 | 149 |
| Oficina Dolores | city | Tarapaca | Chile | -19.68 | -69.95 | 3648 | 0 |
| Oficina Eslavonia | city | Tarapaca | Chile | -20.85 | -69.73 | 3349 | 149 |
| Oficina Felisa | city | Tarapaca | Chile | -20.52 | -69.84 | 4317 | 149 |
| Oficina Humberstone | city | Tarapaca | Chile | -20.21 | -69.80 | 3457 | 149 |
| Oficina Iris | city | Tarapaca | Chile | -20.91 | -69.63 | 3349 | 149 |
| Oficina Kerima | city | Tarapaca | Chile | -20.18 | -69.78 | 3425 | 149 |
| Oficina La Tirana | city | Tarapaca | Chile | -20.34 | -69.66 | 3349 | 149 |
| Oficina Limena | city | Tarapaca | Chile | -20.37 | -69.90 | 3553 | 149 |
| Oficina Mapocho | city | Tarapaca | Chile | -20.08 | -69.75 | 3608 | 106 |
| Oficina Pena Grande | city | Tarapaca | Chile | -20.12 | -69.78 | 3733 | 148 |
| Oficina Ramírez | city | Tarapaca | Chile | -20.05 | -69.74 | 3579 | 66 |
| Oficina Resurrección | city | Tarapaca | Chile | -20.48 | -70.00 | 3349 | 149 |
| Oficina Sacramento | city | Tarapaca | Chile | -20.42 | -69.83 | 3733 | 149 |
| Oficina San Andres | city | Tarapaca | Chile | -20.28 | -69.78 | 3382 | 149 |
| Oficina San Antonio | city | Tarapaca | Chile | -20.42 | -69.90 | 3727 | 149 |
| Oficina San Donato | city | Tarapaca | Chile | -20.11 | -69.75 | 3530 | 147 |
| Oficina San Esteban | city | Tarapaca | Chile | -20.32 | -69.75 | 3349 | 149 |
| Oficina San Pablo | city | Tarapaca | Chile | -20.46 | -69.85 | 3349 | 149 |
| Oficina Serena | city | Tarapaca | Chile | -20.30 | -69.78 | 3349 | 149 |
| Oficina Slavonia | city | Tarapaca | Chile | -20.85 | -69.73 | 3349 | 149 |
| Oficina Victoria | city | Tarapaca | Chile | -20.74 | -69.66 | 3349 | 149 |
| Oficina Virginia | city | Tarapaca | Chile | -20.48 | -69.80 | 3349 | 149 |
| Olivo | city | Tarapaca | Chile | -19.31 | -69.40 | 9228 | 0 |
| Olivos | city | Tarapaca | Chile | -19.31 | -69.40 | 9228 | 0 |