| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cabeza de Novillo | city | San Luis | Argentina | -32.40 | -65.39 | 2509 | 167 |
| Cabeza del Novillo | city | San Luis | Argentina | -32.40 | -65.39 | 2509 | 167 |
| Caldenadas | city | San Luis | Argentina | -33.77 | -65.83 | 1925 | 596 |
| Caldenes | city | San Luis | Argentina | -33.38 | -65.70 | 2509 | 165 |
| Campo Monte Chiquito | city | San Luis | Argentina | -33.03 | -65.45 | 3349 | 613 |
| Campo de los Pozos | city | San Luis | Argentina | -33.08 | -65.45 | 3349 | 596 |
| Campos El Veinticinco | city | San Luis | Argentina | -33.05 | -65.18 | 3349 | 598 |
| Campos de la Estanzuela | city | San Luis | Argentina | -32.77 | -65.04 | 2910 | 745 |
| Canada Angosta | city | San Luis | Argentina | -32.47 | -66.55 | 1669 | 0 |
| Candelaria | city | San Luis | Argentina | -32.06 | -65.82 | 1669 | 2285 |
| Canteras | city | San Luis | Argentina | -33.16 | -65.72 | 2824 | 149 |
| Canteras Piedras Chatas | city | San Luis | Argentina | -32.85 | -65.31 | 2798 | 721 |
| Carolina | city | San Luis | Argentina | -32.82 | -66.10 | 5869 | 344 |
| Carpinteria | city | San Luis | Argentina | -32.56 | -66.09 | 2509 | 3121 |
| Carpintería | city | San Luis | Argentina | -32.41 | -65.01 | 2732 | 3315 |
| Casimiro Gomez | city | San Luis | Argentina | -35.09 | -65.12 | 875 | 41 |
| Cazador | city | San Luis | Argentina | -33.85 | -66.38 | 1833 | 1547 |
| Cañada Honda | city | San Luis | Argentina | -32.83 | -66.03 | 5429 | 112 |
| Cerro de Oro | city | San Luis | Argentina | -32.38 | -64.99 | 3349 | 6929 |
| Chacras | city | San Luis | Argentina | -32.56 | -65.78 | 3474 | 0 |
| Chalanta | city | San Luis | Argentina | -33.71 | -65.95 | 2509 | 596 |
| Chilca | city | San Luis | Argentina | -34.03 | -66.58 | 1669 | 894 |
| Chimborazo | city | San Luis | Argentina | -32.45 | -66.77 | 1689 | 0 |
| Chipisca | city | San Luis | Argentina | -32.18 | -67.03 | 2007 | 0 |
| Chipiscu | city | San Luis | Argentina | -32.18 | -67.03 | 2007 | 0 |
| Chischaquita | city | San Luis | Argentina | -34.21 | -66.38 | 1860 | 894 |
| Chorrillo | city | San Luis | Argentina | -33.29 | -66.25 | 2654 | 16845 |
| Chorrillos | city | San Luis | Argentina | -33.29 | -66.25 | 2654 | 16845 |
| Chosmes | city | San Luis | Argentina | -33.40 | -66.80 | 1745 | 1372 |
| Ciudad de San Luis | city | San Luis | Argentina | -33.30 | -66.34 | 2509 | 18029 |
| Cochequingam | city | San Luis | Argentina | -35.31 | -65.90 | 1141 | 0 |
| Cochequingan | city | San Luis | Argentina | -35.31 | -65.90 | 1141 | 0 |
| Colonia Calzada | city | San Luis | Argentina | -34.83 | -66.45 | 1669 | 0 |
| Colonia Santa Virginia | city | San Luis | Argentina | -34.02 | -66.15 | 1912 | 894 |
| Colonia Urdániz | city | San Luis | Argentina | -35.22 | -66.10 | 1207 | 0 |
| Comandante Granville | city | San Luis | Argentina | -33.46 | -65.88 | 2509 | 149 |
| Comte Granville | city | San Luis | Argentina | -33.46 | -65.88 | 2509 | 149 |
| Concarán | city | San Luis | Argentina | -32.56 | -65.24 | 2509 | 445 |
| Concoran | city | San Luis | Argentina | -32.56 | -65.24 | 2509 | 445 |
| Conlara | city | San Luis | Argentina | -32.90 | -65.52 | 2808 | 443 |
| Coronel Alzogaray | city | San Luis | Argentina | -33.45 | -65.55 | 2509 | 596 |
| Coronel Segovia | city | San Luis | Argentina | -34.80 | -65.90 | 1669 | 0 |
| Corral de Totora | city | San Luis | Argentina | -33.82 | -66.55 | 1669 | 894 |
| Cortaderas | city | San Luis | Argentina | -32.50 | -64.99 | 3349 | 638 |
| Cramer | city | San Luis | Argentina | -33.70 | -65.36 | 1669 | 4079 |
| Cruz de Cana | city | San Luis | Argentina | -32.65 | -66.33 | 2509 | 0 |
| Cruz de Cana | city | San Luis | Argentina | -32.70 | -65.92 | 5029 | 0 |
| Cuatro Esquinas | city | San Luis | Argentina | -33.27 | -66.08 | 3349 | 149 |
| Cuatro de Junio | city | San Luis | Argentina | -33.05 | -65.62 | 2900 | 6627 |
| Cóndores | city | San Luis | Argentina | -32.81 | -65.34 | 2644 | 714 |