| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| El Oasis | city | Cesar | Colombia | 10.27 | -73.60 | 2509 | 5364 |
| El Olivo | city | Cesar | Colombia | 9.76 | -73.92 | 216 | 1185 |
| El Olivo | city | Cesar | Colombia | 9.77 | -73.82 | 190 | 2929 |
| El Oriente | city | Cesar | Colombia | 10.14 | -73.49 | 246 | 5364 |
| El Orinoco | city | Cesar | Colombia | 10.15 | -73.40 | 265 | 4945 |