| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obraje | city | Leon | Nicaragua | 12.45 | -86.62 | 232 | 2982 |
| Ocotal | city | Leon | Nicaragua | 12.89 | -86.46 | 3349 | 5038 |
| Ocotillo | city | Leon | Nicaragua | 12.77 | -86.35 | 830 | 5128 |
| Ocoton | city | Leon | Nicaragua | 12.68 | -86.81 | 183 | 4474 |
| Ojoche | city | Leon | Nicaragua | 12.62 | -86.68 | 331 | 4984 |
| Olomega | city | Leon | Nicaragua | 12.72 | -86.86 | 95 | 8957 |
| Omar Torrijos | city | Leon | Nicaragua | 12.28 | -86.84 | 29 | 11455 |