| Runcorn to Castelfidardo | 1,007.31 mi (1,621.11 km) |
| Runcorn to Castelfiorentino | 917.23 mi (1,476.13 km) |
| Runcorn to Castelfranco di Sopra | 934.39 mi (1,503.76 km) |
| Runcorn to Castelfranco di Sotto | 905.11 mi (1,456.64 km) |
| Runcorn to Castelfranco Emilia | 866.76 mi (1,394.91 km) |
| Runcorn to Castelfranco Veneto | 842.39 mi (1,355.69 km) |
| Runcorn to Castellabate | 1,223.84 mi (1,969.58 km) |
| Runcorn to Castellammare del Golfo | 1,293.04 mi (2,080.94 km) |
| Runcorn to Castellammare di Stabia | 1,185.97 mi (1,908.63 km) |
| Runcorn to Castellamonte | 721.98 mi (1,161.92 km) |
| Runcorn to Castellana Grotte | 1,263.49 mi (2,033.39 km) |
| Runcorn to Castellaneta | 1,268.87 mi (2,042.05 km) |
| Runcorn to Castellanza | 744.98 mi (1,198.92 km) |
| Runcorn to Castellarano | 859.69 mi (1,383.54 km) |
| Runcorn to Castelleone | 788.90 mi (1,269.62 km) |
