| Somma Vesuviana to Chivasso | 445.21 mi (716.50 km) |
| Somma Vesuviana to Ciampino | 114.83 mi (184.81 km) |
| Somma Vesuviana to Cicciano | 8.23 mi (13.24 km) |
| Somma Vesuviana to Cingoli | 183.32 mi (295.03 km) |
| Somma Vesuviana to Cinisello Balsamo | 416.40 mi (670.13 km) |
| Somma Vesuviana to Cinisi | 200.06 mi (321.97 km) |
| Somma Vesuviana to Cirie | 457.96 mi (737.02 km) |
| Somma Vesuviana to Ciro Marina | 176.05 mi (283.33 km) |
| Somma Vesuviana to Cislago | 429.57 mi (691.33 km) |
| Somma Vesuviana to Cisterna di Latina | 97.21 mi (156.44 km) |
| Somma Vesuviana to Cisternino | 157.00 mi (252.67 km) |
| Somma Vesuviana to Citta di Castello | 211.16 mi (339.82 km) |
| Somma Vesuviana to Citta Sant'Angelo | 115.34 mi (185.63 km) |
| Somma Vesuviana to Cittadella | 356.02 mi (572.96 km) |
| Somma Vesuviana to Cittanova | 195.07 mi (313.93 km) |
