| Somma Lombardo to Chivasso | 52.06 mi (83.78 km) |
| Somma Lombardo to Ciampino | 331.40 mi (533.34 km) |
| Somma Lombardo to Cicciano | 438.13 mi (705.10 km) |
| Somma Lombardo to Cingoli | 274.01 mi (440.98 km) |
| Somma Lombardo to Cinisello Balsamo | 26.62 mi (42.83 km) |
| Somma Lombardo to Cinisi | 566.23 mi (911.26 km) |
| Somma Lombardo to Cirie | 61.63 mi (99.19 km) |
| Somma Lombardo to Ciro Marina | 611.28 mi (983.76 km) |
| Somma Lombardo to Cislago | 13.08 mi (21.05 km) |
| Somma Lombardo to Cisterna di Latina | 349.99 mi (563.26 km) |
| Somma Lombardo to Cisternino | 556.59 mi (895.74 km) |
| Somma Lombardo to Citta di Castello | 232.35 mi (373.93 km) |
| Somma Lombardo to Citta Sant'Angelo | 343.86 mi (553.40 km) |
| Somma Lombardo to Cittadella | 148.88 mi (239.61 km) |
| Somma Lombardo to Cittanova | 632.15 mi (1,017.34 km) |
