| Grottaferrata to Cartagena | 780.33 mi (1,255.83 km) |
| Grottaferrata to Cartama | 987.82 mi (1,589.74 km) |
| Grottaferrata to Cartaya | 1,098.28 mi (1,767.52 km) |
| Grottaferrata to Caspe | 657.86 mi (1,058.73 km) |
| Grottaferrata to Cassa de la Selva | 504.11 mi (811.29 km) |
| Grottaferrata to Castalla | 737.02 mi (1,186.11 km) |
| Grottaferrata to Castellbisbal | 552.09 mi (888.50 km) |
| Grottaferrata to Castelldefels | 553.91 mi (891.43 km) |
| Grottaferrata to Castello de Ampurias | 493.40 mi (794.05 km) |
| Grottaferrata to Castellon de la Plana | 674.60 mi (1,085.67 km) |
| Grottaferrata to Castilleja de la Cuesta | 1,039.87 mi (1,673.51 km) |
| Grottaferrata to Catarroja | 704.78 mi (1,134.23 km) |
| Grottaferrata to Catral | 755.35 mi (1,215.62 km) |
| Grottaferrata to Caudete | 750.28 mi (1,207.46 km) |
| Grottaferrata to Cehegin | 806.80 mi (1,298.41 km) |
