| Southampton to Castelfidardo | 867.41 mi (1,395.96 km) |
| Southampton to Castelfiorentino | 767.09 mi (1,234.52 km) |
| Southampton to Castelfranco di Sopra | 786.93 mi (1,266.44 km) |
| Southampton to Castelfranco di Sotto | 754.57 mi (1,214.36 km) |
| Southampton to Castelfranco Emilia | 722.80 mi (1,163.23 km) |
| Southampton to Castelfranco Veneto | 710.43 mi (1,143.32 km) |
| Southampton to Castellabate | 1,074.56 mi (1,729.33 km) |
| Southampton to Castellammare del Golfo | 1,130.59 mi (1,819.52 km) |
| Southampton to Castellammare di Stabia | 1,036.59 mi (1,668.23 km) |
| Southampton to Castellamonte | 566.83 mi (912.22 km) |
| Southampton to Castellana Grotte | 1,124.56 mi (1,809.80 km) |
| Southampton to Castellaneta | 1,128.01 mi (1,815.36 km) |
| Southampton to Castellanza | 597.45 mi (961.50 km) |
| Southampton to Castellarano | 714.29 mi (1,149.54 km) |
| Southampton to Castelleone | 643.45 mi (1,035.53 km) |
