| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ochomogo | city | Rivas | Nicaragua | 11.69 | -85.90 | 124 | 3721 |
| Orosà | city | Rivas | Nicaragua | 11.15 | -85.34 | 108 | 1403 |
| Ostinal | city | Rivas | Nicaragua | 11.11 | -85.76 | 75 | 1980 |
| Ostional | city | Rivas | Nicaragua | 11.11 | -85.76 | 75 | 1980 |