| Sidcup to Carmona | 1,004.37 mi (1,616.37 km) |
| Sidcup to Cartagena | 956.77 mi (1,539.77 km) |
| Sidcup to Cartama | 1,042.93 mi (1,678.44 km) |
| Sidcup to Cartaya | 1,039.54 mi (1,672.99 km) |
| Sidcup to Caspe | 704.30 mi (1,133.46 km) |
| Sidcup to Cassa de la Selva | 671.79 mi (1,081.15 km) |
| Sidcup to Castalla | 887.23 mi (1,427.86 km) |
| Sidcup to Castellbisbal | 693.19 mi (1,115.58 km) |
| Sidcup to Castelldefels | 706.65 mi (1,137.25 km) |
| Sidcup to Castello de Ampurias | 648.70 mi (1,043.98 km) |
| Sidcup to Castellon de la Plana | 790.68 mi (1,272.47 km) |
| Sidcup to Castilleja de la Cuesta | 1,015.79 mi (1,634.75 km) |
| Sidcup to Catarroja | 831.10 mi (1,337.53 km) |
| Sidcup to Catral | 917.71 mi (1,476.92 km) |
| Sidcup to Caudete | 880.58 mi (1,417.16 km) |
