| Most to Cartagena | 1,145.38 mi (1,843.31 km) |
| Most to Cartama | 1,313.33 mi (2,113.59 km) |
| Most to Cartaya | 1,371.80 mi (2,207.70 km) |
| Most to Caspe | 915.28 mi (1,473.00 km) |
| Most to Cassa de la Selva | 785.25 mi (1,263.74 km) |
| Most to Castalla | 1,079.25 mi (1,736.89 km) |
| Most to Castellbisbal | 835.87 mi (1,345.20 km) |
| Most to Castelldefels | 846.82 mi (1,362.82 km) |
| Most to Castello de Ampurias | 758.76 mi (1,221.10 km) |
| Most to Castellon de la Plana | 982.08 mi (1,580.50 km) |
| Most to Castilleja de la Cuesta | 1,326.83 mi (2,135.32 km) |
| Most to Catarroja | 1,025.92 mi (1,651.06 km) |
| Most to Catral | 1,108.10 mi (1,783.31 km) |
| Most to Caudete | 1,083.32 mi (1,743.44 km) |
| Most to Cehegin | 1,143.42 mi (1,840.15 km) |
