| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ocamonte | city | Departamento de Santander | Colombia | 6.34 | -73.12 | 5052 | 12099 |
| Ocusa | city | Departamento de Santander | Colombia | 5.83 | -73.38 | 8809 | 2791 |
| Oiba | city | Departamento de Santander | Colombia | 6.27 | -73.30 | 4563 | 9320 |
| Ojo de Agua | city | Departamento de Santander | Colombia | 5.83 | -73.82 | 5928 | 2689 |
| Ojo de Agua | city | Departamento de Santander | Colombia | 5.94 | -73.92 | 7857 | 3402 |
| Ojo de Agua | city | Departamento de Santander | Colombia | 6.33 | -73.42 | 3848 | 3447 |
| Ojo de Agua | city | Departamento de Santander | Colombia | 5.96 | -73.85 | 7762 | 3822 |
| Ojo de Agua | city | Departamento de Santander | Colombia | 5.86 | -73.97 | 5669 | 3574 |
| Ojo de Agua | city | Departamento de Santander | Colombia | 6.34 | -73.28 | 4895 | 4836 |
| Ojo de Agua | city | Departamento de Santander | Colombia | 6.07 | -73.78 | 6095 | 1841 |
| Olarte | city | Departamento de Santander | Colombia | 7.17 | -73.50 | 498 | 8106 |
| Olival | city | Departamento de Santander | Colombia | 6.15 | -73.34 | 5029 | 3086 |
| Onzaga | city | Departamento de Santander | Colombia | 6.35 | -72.82 | 6755 | 5059 |
| Oponcito | city | Departamento de Santander | Colombia | 6.89 | -73.73 | 360 | 16098 |
| Otro Mundo | city | Departamento de Santander | Colombia | 5.82 | -74.07 | 1873 | 4657 |
| Otromundo | city | Departamento de Santander | Colombia | 5.88 | -74.13 | 1368 | 3134 |