| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Cajón de la Brea | city | La Rioja | Argentina | -28.66 | -69.19 | 11863 | 0 |
| Calera | city | La Rioja | Argentina | -29.28 | -66.88 | 4189 | 788 |
| Campanas | city | La Rioja | Argentina | -28.55 | -67.62 | 5357 | 1579 |
| Campo Laguna Brava | city | La Rioja | Argentina | -28.25 | -68.78 | 14599 | 0 |
| Campo Los Molles | city | La Rioja | Argentina | -28.67 | -68.63 | 7814 | 0 |
| Campo de Catinzaco | city | La Rioja | Argentina | -29.67 | -67.32 | 2509 | 745 |
| Campo de Los Colorados | city | La Rioja | Argentina | -29.82 | -67.22 | 2509 | 243 |
| Campo de Talampaya | city | La Rioja | Argentina | -29.87 | -67.87 | 4320 | 0 |
| Campo de Vichigasta | city | La Rioja | Argentina | -29.52 | -67.42 | 2549 | 745 |
| Campo de los Burritos Muertos | city | La Rioja | Argentina | -28.17 | -68.87 | 14668 | 0 |
| Campo del Potrero | city | La Rioja | Argentina | -28.90 | -66.82 | 5029 | 0 |
| Cantadero | city | La Rioja | Argentina | -29.19 | -66.81 | 2742 | 823 |
| Capallan | city | La Rioja | Argentina | -29.00 | -67.48 | 4589 | 865 |
| Carnerito | city | La Rioja | Argentina | -28.42 | -69.18 | 12749 | 0 |
| Carrizal | city | La Rioja | Argentina | -30.65 | -66.67 | 2509 | 0 |
| Carrizal | city | La Rioja | Argentina | -28.89 | -67.56 | 5869 | 489 |
| Carrizal | city | La Rioja | Argentina | -29.00 | -66.63 | 1702 | 894 |
| Carrizal Abajo | city | La Rioja | Argentina | -29.03 | -66.65 | 1925 | 894 |
| Casana | city | La Rioja | Argentina | -31.11 | -66.55 | 3349 | 0 |
| Castro Barros | city | La Rioja | Argentina | -30.58 | -65.73 | 830 | 484 |
| Catinzaco | city | La Rioja | Argentina | -29.66 | -67.37 | 2509 | 745 |
| Catinzaco Viejo | city | La Rioja | Argentina | -29.63 | -67.48 | 3349 | 745 |
| Catuna | city | La Rioja | Argentina | -30.95 | -66.22 | 1669 | 1127 |
| Cebollar | city | La Rioja | Argentina | -29.09 | -66.57 | 1669 | 886 |
| Chaco Ancho | city | La Rioja | Argentina | -28.49 | -69.38 | 12910 | 0 |
| Chamical | city | La Rioja | Argentina | -30.36 | -66.31 | 1669 | 11702 |
| Chanarmuyo | city | La Rioja | Argentina | -28.61 | -67.58 | 6141 | 915 |
| Chanarmyo | city | La Rioja | Argentina | -28.61 | -67.58 | 6141 | 915 |
| Charqui | city | La Rioja | Argentina | -28.48 | -67.13 | 3523 | 0 |
| Chañar | city | La Rioja | Argentina | -30.54 | -65.96 | 1030 | 1680 |
| Chañares | city | La Rioja | Argentina | -29.86 | -67.75 | 5180 | 0 |
| Chañarmullo | city | La Rioja | Argentina | -28.61 | -67.58 | 6141 | 915 |
| Chelco | city | La Rioja | Argentina | -31.22 | -66.39 | 2509 | 433 |
| Chelcos | city | La Rioja | Argentina | -31.22 | -66.39 | 2509 | 433 |
| Cheminea | city | La Rioja | Argentina | -30.68 | -66.40 | 2726 | 0 |
| Chepes | city | La Rioja | Argentina | -31.35 | -66.60 | 2086 | 10079 |
| Chepes | city | La Rioja | Argentina | -31.26 | -66.59 | 2509 | 1631 |
| Chepes Norte | city | La Rioja | Argentina | -31.26 | -66.59 | 2509 | 1631 |
| Chepes Viejo | city | La Rioja | Argentina | -31.26 | -66.59 | 2509 | 1631 |
| Chilecito | city | La Rioja | Argentina | -29.16 | -67.50 | 3631 | 3243 |
| Chimenea | city | La Rioja | Argentina | -30.68 | -66.40 | 2726 | 0 |
| Chivato | city | La Rioja | Argentina | -29.87 | -65.85 | 1669 | 404 |
| Chivato Grande | city | La Rioja | Argentina | -29.80 | -65.83 | 1190 | 894 |
| Chuquis | city | La Rioja | Argentina | -28.89 | -66.97 | 4356 | 746 |
| Ciciliano | city | La Rioja | Argentina | -29.38 | -67.82 | 6023 | 9 |
| Cienaga | city | La Rioja | Argentina | -28.32 | -68.25 | 8418 | 0 |
| Cienaguita | city | La Rioja | Argentina | -29.73 | -67.68 | 6220 | 0 |
| Cienaguita | city | La Rioja | Argentina | -29.30 | -68.80 | 7549 | 0 |
| Cienaguita | city | La Rioja | Argentina | -29.60 | -68.42 | 4189 | 0 |
| Cienega | city | La Rioja | Argentina | -30.73 | -66.23 | 1686 | 0 |
| Cieneguila | city | La Rioja | Argentina | -29.30 | -68.80 | 7549 | 0 |
| Cieneguita | city | La Rioja | Argentina | -29.60 | -68.42 | 4189 | 0 |
| Cieneguita | city | La Rioja | Argentina | -30.40 | -66.87 | 1669 | 0 |
| Cieneguita | city | La Rioja | Argentina | -29.73 | -67.68 | 6220 | 0 |
| Ciudad de La Rioja | city | La Rioja | Argentina | -29.41 | -66.85 | 1702 | 25174 |
| Ciénaga Alta | city | La Rioja | Argentina | -29.20 | -68.73 | 6709 | 0 |
| Cochangasta | city | La Rioja | Argentina | -29.41 | -66.89 | 1758 | 21909 |
| Comandante Leal | city | La Rioja | Argentina | -30.88 | -65.79 | 843 | 0 |
| Condado | city | La Rioja | Argentina | -28.98 | -68.20 | 4242 | 1570 |
| Corral Alforja | city | La Rioja | Argentina | -29.87 | -65.80 | 1072 | 274 |
| Corral de Isaac | city | La Rioja | Argentina | -31.94 | -66.36 | 1669 | 0 |
| Corrales | city | La Rioja | Argentina | -28.84 | -67.64 | 6830 | 0 |
| Cortaderas | city | La Rioja | Argentina | -30.55 | -66.24 | 1669 | 147 |
| Cuatro Esquinas | city | La Rioja | Argentina | -31.80 | -65.89 | 1013 | 0 |
| Cuesta Inca | city | La Rioja | Argentina | -28.83 | -67.95 | 10285 | 0 |
| Cueva Blanca | city | La Rioja | Argentina | -29.33 | -68.92 | 10908 | 0 |
| Cueva Romero | city | La Rioja | Argentina | -29.05 | -67.70 | 11748 | 616 |
| Cueva del Chacho | city | La Rioja | Argentina | -29.94 | -67.13 | 2066 | 0 |
| Cuipán | city | La Rioja | Argentina | -28.46 | -67.12 | 3517 | 0 |