| Somma Vesuviana to Cartagena | 854.28 mi (1,374.83 km) |
| Somma Vesuviana to Cartama | 1,063.89 mi (1,712.17 km) |
| Somma Vesuviana to Cartaya | 1,180.87 mi (1,900.42 km) |
| Somma Vesuviana to Caspe | 753.49 mi (1,212.62 km) |
| Somma Vesuviana to Cassa de la Selva | 603.08 mi (970.56 km) |
| Somma Vesuviana to Castalla | 816.89 mi (1,314.65 km) |
| Somma Vesuviana to Castellbisbal | 648.51 mi (1,043.68 km) |
| Somma Vesuviana to Castelldefels | 649.04 mi (1,044.53 km) |
| Somma Vesuviana to Castello de Ampurias | 594.66 mi (957.01 km) |
| Somma Vesuviana to Castellon de la Plana | 762.66 mi (1,227.38 km) |
| Somma Vesuviana to Castilleja de la Cuesta | 1,121.43 mi (1,804.77 km) |
| Somma Vesuviana to Catarroja | 789.52 mi (1,270.61 km) |
| Somma Vesuviana to Catral | 832.59 mi (1,339.93 km) |
| Somma Vesuviana to Caudete | 831.39 mi (1,337.99 km) |
| Somma Vesuviana to Cehegin | 885.46 mi (1,425.02 km) |
