| Somain to Castelfiorentino | 590.34 mi (950.06 km) |
| Somain to Castelfranco di Sopra | 606.43 mi (975.96 km) |
| Somain to Castelfranco di Sotto | 578.48 mi (930.97 km) |
| Somain to Castelfranco Emilia | 538.11 mi (866.00 km) |
| Somain to Castelfranco Veneto | 514.22 mi (827.55 km) |
| Somain to Castellabate | 895.87 mi (1,441.76 km) |
| Somain to Castellammare del Golfo | 973.90 mi (1,567.34 km) |
| Somain to Castellammare di Stabia | 858.08 mi (1,380.95 km) |
| Somain to Castellamonte | 400.30 mi (644.22 km) |
| Somain to Castellana Grotte | 934.58 mi (1,504.07 km) |
| Somain to Castellaneta | 939.84 mi (1,512.52 km) |
| Somain to Castellanza | 417.87 mi (672.50 km) |
| Somain to Castellarano | 531.37 mi (855.15 km) |
| Somain to Castelleone | 460.82 mi (741.62 km) |
| Somain to Castelletto sopra Ticino | 404.71 mi (651.32 km) |
