| Most to Calafell | 864.09 mi (1,390.61 km) |
| Most to Calahorra | 931.72 mi (1,499.45 km) |
| Most to Calasparra | 1,132.55 mi (1,822.67 km) |
| Most to Calatayud | 965.43 mi (1,553.71 km) |
| Most to Caldas de Montbuy | 821.47 mi (1,322.03 km) |
| Most to Caldas de Reyes | 1,184.47 mi (1,906.21 km) |
| Most to Calella | 806.80 mi (1,298.42 km) |
| Most to Callosa de Segura | 1,112.52 mi (1,790.42 km) |
| Most to Calpe | 1,054.29 mi (1,696.72 km) |
| Most to Calvia | 928.66 mi (1,494.54 km) |
| Most to Camas | 1,325.24 mi (2,132.77 km) |
| Most to Cambados | 1,195.29 mi (1,923.63 km) |
| Most to Cambre | 1,145.22 mi (1,843.06 km) |
| Most to Cambrils | 887.84 mi (1,428.84 km) |
| Most to Campo de Criptana | 1,117.51 mi (1,798.45 km) |
