| Illescas to Costessey | 898.89 mi (1,446.63 km) |
| Illescas to Cottingham | 957.58 mi (1,541.08 km) |
| Illescas to Coulsdon | 794.13 mi (1,278.03 km) |
| Illescas to Coventry | 856.35 mi (1,378.16 km) |
| Illescas to Cowdenbeath | 1,105.25 mi (1,778.72 km) |
| Illescas to Cowes | 745.41 mi (1,199.62 km) |
| Illescas to Cowley | 804.57 mi (1,294.83 km) |
| Illescas to Cowley | 812.27 mi (1,307.23 km) |
| Illescas to Cramlington | 1,039.16 mi (1,672.36 km) |
| Illescas to Cranleigh | 778.23 mi (1,252.44 km) |
| Illescas to Crawley | 779.43 mi (1,254.37 km) |
| Illescas to Crayford | 806.21 mi (1,297.47 km) |
| Illescas to Crewe | 899.38 mi (1,447.41 km) |
| Illescas to Crigglestone | 940.86 mi (1,514.17 km) |
| Illescas to Cromer | 917.82 mi (1,477.09 km) |
