| Castleford to Collegno | 718.12 mi (1,155.70 km) |
| Castleford to Cologno al Serio | 746.87 mi (1,201.96 km) |
| Castleford to Cologno Monzese | 737.71 mi (1,187.23 km) |
| Castleford to Colorno | 802.73 mi (1,291.87 km) |
| Castleford to Comacchio | 869.89 mi (1,399.95 km) |
| Castleford to Comiso | 1,386.75 mi (2,231.75 km) |
| Castleford to Como | 716.53 mi (1,153.15 km) |
| Castleford to Concordia Sagittaria | 836.34 mi (1,345.96 km) |
| Castleford to Concorezzo | 735.96 mi (1,184.41 km) |
| Castleford to Conegliano | 811.99 mi (1,306.78 km) |
| Castleford to Conselice | 868.93 mi (1,398.41 km) |
| Castleford to Conselve | 831.70 mi (1,338.50 km) |
| Castleford to Conversano | 1,227.38 mi (1,975.28 km) |
| Castleford to Copertino | 1,295.60 mi (2,085.07 km) |
| Castleford to Copparo | 848.31 mi (1,365.23 km) |
