| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Олантајтамбо | city | Cusco | Peru | -13.26 | -72.26 | 10160 | 3293 |
| Ольмос | city | Lambayeque | Peru | -5.99 | -79.75 | 830 | 9747 |
| Ольянтайтамбо | city | Cusco | Peru | -13.26 | -72.26 | 10160 | 3293 |
| Ороя | city | Junin | Peru | -11.52 | -75.90 | 13428 | 23099 |