| Somma Vesuviana to Casamassima | 129.59 mi (208.56 km) |
| Somma Vesuviana to Casandrino | 10.63 mi (17.10 km) |
| Somma Vesuviana to Casapulla | 15.63 mi (25.15 km) |
| Somma Vesuviana to Casarano | 204.82 mi (329.63 km) |
| Somma Vesuviana to Casatenovo | 421.26 mi (677.95 km) |
| Somma Vesuviana to Casciana Terme | 267.99 mi (431.29 km) |
| Somma Vesuviana to Cascina | 277.79 mi (447.05 km) |
| Somma Vesuviana to Caselle Torinese | 453.71 mi (730.18 km) |
| Somma Vesuviana to Caserta | 14.47 mi (23.28 km) |
| Somma Vesuviana to Casier | 347.13 mi (558.65 km) |
| Somma Vesuviana to Casorate Primo | 410.99 mi (661.42 km) |
| Somma Vesuviana to Casoria | 7.40 mi (11.91 km) |
| Somma Vesuviana to Cassano al Ionio | 124.36 mi (200.14 km) |
| Somma Vesuviana to Cassano d'Adda | 406.16 mi (653.66 km) |
| Somma Vesuviana to Cassano delle Murge | 121.71 mi (195.88 km) |
