| Millau to Cartagena | 496.46 mi (798.98 km) |
| Millau to Cartama | 651.30 mi (1,048.16 km) |
| Millau to Cartaya | 712.36 mi (1,146.44 km) |
| Millau to Caspe | 253.30 mi (407.65 km) |
| Millau to Cassa de la Selva | 153.00 mi (246.22 km) |
| Millau to Castalla | 426.88 mi (686.99 km) |
| Millau to Castellbisbal | 189.48 mi (304.95 km) |
| Millau to Castelldefels | 202.62 mi (326.08 km) |
| Millau to Castello de Ampurias | 127.16 mi (204.64 km) |
| Millau to Castellon de la Plana | 326.05 mi (524.72 km) |
| Millau to Castilleja de la Cuesta | 665.27 mi (1,070.65 km) |
| Millau to Catarroja | 370.71 mi (596.61 km) |
| Millau to Catral | 457.29 mi (735.93 km) |
| Millau to Caudete | 428.02 mi (688.84 km) |
| Millau to Cehegin | 486.30 mi (782.63 km) |
