| Somma Lombardo to Casamassima | 526.38 mi (847.13 km) |
| Somma Lombardo to Casandrino | 430.56 mi (692.92 km) |
| Somma Lombardo to Casapulla | 424.48 mi (683.14 km) |
| Somma Lombardo to Casarano | 618.33 mi (995.10 km) |
| Somma Lombardo to Casatenovo | 29.54 mi (47.54 km) |
| Somma Lombardo to Casciana Terme | 176.30 mi (283.73 km) |
| Somma Lombardo to Cascina | 165.38 mi (266.16 km) |
| Somma Lombardo to Caselle Torinese | 61.90 mi (99.61 km) |
| Somma Lombardo to Caserta | 426.14 mi (685.81 km) |
| Somma Lombardo to Casier | 173.83 mi (279.74 km) |
| Somma Lombardo to Casorate Primo | 29.61 mi (47.65 km) |
| Somma Lombardo to Casoria | 433.99 mi (698.43 km) |
| Somma Lombardo to Cassano al Ionio | 561.27 mi (903.28 km) |
| Somma Lombardo to Cassano d'Adda | 40.81 mi (65.68 km) |
| Somma Lombardo to Cassano delle Murge | 523.58 mi (842.62 km) |
