| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| La Obrilla | city | Piura | Peru | -4.98 | -80.58 | 223 | 30113 |
| La Obrilla Hacienda | city | Piura | Peru | -4.98 | -80.58 | 223 | 30113 |
| La Ophela Hacienda | city | Arequipa | Peru | -16.58 | -72.00 | 4189 | 298 |
| La Orejona | city | Piura | Peru | -4.70 | -80.90 | 882 | 2238 |
| La Oroja | city | Junin | Peru | -11.52 | -75.90 | 13428 | 23099 |
| La Oroya | city | Junin | Peru | -11.52 | -75.90 | 13428 | 23099 |
| La Otra Banda | city | Lambayeque | Peru | -6.94 | -79.58 | 321 | 36422 |
| La Otra Banda | city | Lambayeque | Peru | -6.63 | -79.73 | 830 | 9625 |
| La Otra Banda | city | Lambayeque | Peru | -6.52 | -80.07 | 246 | 5990 |
| La Oya | city | Lima | Peru | -10.50 | -77.77 | 1095 | 2402 |