| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ramadita | city | Chaco | Argentina | -27.82 | -58.85 | 137 | 1526 |
| Reduccion de Indios | city | Chaco | Argentina | -26.97 | -60.17 | 246 | 171 |
| Resistancia | city | Chaco | Argentina | -27.46 | -58.98 | 167 | 102940 |
| Resistencia | city | Chaco | Argentina | -27.46 | -58.98 | 167 | 102940 |
| Resistensija | city | Chaco | Argentina | -27.46 | -58.98 | 167 | 102940 |
| Resistensėjė | city | Chaco | Argentina | -27.46 | -58.98 | 167 | 102940 |
| Resistentia | city | Chaco | Argentina | -27.46 | -58.98 | 167 | 102940 |
| Retiro | city | Chaco | Argentina | -24.25 | -62.27 | 830 | 149 |
| Rincón La Tigra | city | Chaco | Argentina | -27.17 | -60.55 | 285 | 1019 |
| Rincón del Diablo | city | Chaco | Argentina | -26.31 | -59.94 | 255 | 149 |
| Rivadavia | city | Chaco | Argentina | -25.53 | -63.13 | 830 | 0 |
| Rodriguez Pena | city | Chaco | Argentina | -25.90 | -60.29 | 308 | 149 |
| Roque Sáenz Peña | city | Chaco | Argentina | -26.79 | -60.44 | 295 | 48332 |
| Río Muerto | city | Chaco | Argentina | -26.30 | -61.68 | 830 | 3148 |
| Río Tapenagá | city | Chaco | Argentina | -27.55 | -59.67 | 154 | 2 |