| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Rio San Roman | city | Departamento de San Miguel | El Salvador | 13.1827778 | -88.0941667 | 78 | 9492 |
| Rio Vargas | city | Departamento de San Miguel | El Salvador | 13.4936111 | -88.0530556 | 1105 | 29228 |
| Rio de Vargas | city | Departamento de San Miguel | El Salvador | 13.4936111 | -88.0530556 | 1105 | 29228 |
| Rodeo de Pedron | city | Departamento de San Miguel | El Salvador | 13.4 | -88.3666667 | 859 | 46621 |
| Rodeo de Pedrón | city | Departamento de San Miguel | El Salvador | 13.4 | -88.3666667 | 859 | 46621 |
| Rodeo de Piedron | city | Departamento de San Miguel | El Salvador | 13.4 | -88.3666667 | 859 | 46621 |
| Rodeo de Piedrón | city | Departamento de San Miguel | El Salvador | 13.4 | -88.3666667 | 859 | 46621 |
| Río San Román | city | Departamento de San Miguel | El Salvador | 13.1827778 | -88.0941667 | 78 | 9492 |
| Río Vargas | city | Departamento de San Miguel | El Salvador | 13.4936111 | -88.0530556 | 1105 | 29228 |
| Río de Vargas | city | Departamento de San Miguel | El Salvador | 13.4936111 | -88.0530556 | 1105 | 29228 |