| Widnes to Castelfidardo | 1,007.98 mi (1,622.19 km) |
| Widnes to Castelfiorentino | 918.02 mi (1,477.42 km) |
| Widnes to Castelfranco di Sopra | 935.16 mi (1,504.99 km) |
| Widnes to Castelfranco di Sotto | 905.92 mi (1,457.93 km) |
| Widnes to Castelfranco Emilia | 867.49 mi (1,396.09 km) |
| Widnes to Castelfranco Veneto | 842.99 mi (1,356.66 km) |
| Widnes to Castellabate | 1,224.61 mi (1,970.82 km) |
| Widnes to Castellammare del Golfo | 1,293.98 mi (2,082.46 km) |
| Widnes to Castellammare di Stabia | 1,186.74 mi (1,909.88 km) |
| Widnes to Castellamonte | 722.86 mi (1,163.33 km) |
| Widnes to Castellana Grotte | 1,264.14 mi (2,034.43 km) |
| Widnes to Castellaneta | 1,269.54 mi (2,043.13 km) |
| Widnes to Castellanza | 745.76 mi (1,200.19 km) |
| Widnes to Castellarano | 860.44 mi (1,384.75 km) |
| Widnes to Castelleone | 789.66 mi (1,270.84 km) |
