| Valongo to Cartagena | 471.38 mi (758.62 km) |
| Valongo to Cartama | 372.33 mi (599.21 km) |
| Valongo to Cartaya | 278.97 mi (448.96 km) |
| Valongo to Caspe | 439.94 mi (708.02 km) |
| Valongo to Cassa de la Selva | 589.84 mi (949.26 km) |
| Valongo to Castalla | 451.67 mi (726.90 km) |
| Valongo to Castellbisbal | 543.90 mi (875.32 km) |
| Valongo to Castelldefels | 544.10 mi (875.64 km) |
| Valongo to Castello de Ampurias | 601.05 mi (967.29 km) |
| Valongo to Castellon de la Plana | 451.77 mi (727.05 km) |
| Valongo to Castilleja de la Cuesta | 293.40 mi (472.18 km) |
| Valongo to Catarroja | 443.83 mi (714.28 km) |
| Valongo to Catral | 459.25 mi (739.08 km) |
| Valongo to Caudete | 433.02 mi (696.88 km) |
| Valongo to Cehegin | 415.43 mi (668.57 km) |
