| Neckargemund to Cartagena | 949.13 mi (1,527.48 km) |
| Neckargemund to Cartama | 1,104.40 mi (1,777.36 km) |
| Neckargemund to Cartaya | 1,153.97 mi (1,857.14 km) |
| Neckargemund to Caspe | 707.51 mi (1,138.63 km) |
| Neckargemund to Cassa de la Selva | 591.79 mi (952.39 km) |
| Neckargemund to Castalla | 880.51 mi (1,417.04 km) |
| Neckargemund to Castellbisbal | 638.47 mi (1,027.52 km) |
| Neckargemund to Castelldefels | 650.55 mi (1,046.96 km) |
| Neckargemund to Castello de Ampurias | 564.41 mi (908.32 km) |
| Neckargemund to Castellon de la Plana | 780.45 mi (1,256.01 km) |
| Neckargemund to Castilleja de la Cuesta | 1,111.51 mi (1,788.80 km) |
| Neckargemund to Catarroja | 825.01 mi (1,327.73 km) |
| Neckargemund to Catral | 910.49 mi (1,465.30 km) |
| Neckargemund to Caudete | 882.47 mi (1,420.20 km) |
| Neckargemund to Cehegin | 941.12 mi (1,514.59 km) |
