| Castleton to Collegno | 732.45 mi (1,178.76 km) |
| Castleton to Cologno al Serio | 765.51 mi (1,231.97 km) |
| Castleton to Cologno Monzese | 755.63 mi (1,216.07 km) |
| Castleton to Colorno | 821.32 mi (1,321.79 km) |
| Castleton to Comacchio | 890.46 mi (1,433.05 km) |
| Castleton to Comiso | 1,402.04 mi (2,256.37 km) |
| Castleton to Como | 734.64 mi (1,182.28 km) |
| Castleton to Concordia Sagittaria | 859.23 mi (1,382.79 km) |
| Castleton to Concorezzo | 754.07 mi (1,213.56 km) |
| Castleton to Conegliano | 834.46 mi (1,342.94 km) |
| Castleton to Conselice | 888.82 mi (1,430.41 km) |
| Castleton to Conselve | 852.68 mi (1,372.25 km) |
| Castleton to Conversano | 1,248.72 mi (2,009.61 km) |
| Castleton to Copertino | 1,317.11 mi (2,119.69 km) |
| Castleton to Copparo | 868.75 mi (1,398.12 km) |
