| Somma Vesuviana to Castelfidardo | 184.79 mi (297.38 km) |
| Somma Vesuviana to Castelfiorentino | 258.85 mi (416.58 km) |
| Somma Vesuviana to Castelfranco di Sopra | 240.40 mi (386.88 km) |
| Somma Vesuviana to Castelfranco di Sotto | 271.39 mi (436.75 km) |
| Somma Vesuviana to Castelfranco Emilia | 309.30 mi (497.77 km) |
| Somma Vesuviana to Castelfranco Veneto | 354.34 mi (570.25 km) |
| Somma Vesuviana to Castellabate | 49.14 mi (79.09 km) |
| Somma Vesuviana to Castellammare del Golfo | 213.45 mi (343.51 km) |
| Somma Vesuviana to Castellammare di Stabia | 12.49 mi (20.11 km) |
| Somma Vesuviana to Castellamonte | 460.22 mi (740.65 km) |
| Somma Vesuviana to Castellana Grotte | 142.61 mi (229.50 km) |
| Somma Vesuviana to Castellaneta | 131.70 mi (211.95 km) |
| Somma Vesuviana to Castellanza | 430.02 mi (692.05 km) |
| Somma Vesuviana to Castellarano | 315.43 mi (507.64 km) |
| Somma Vesuviana to Castelleone | 385.96 mi (621.15 km) |
