| Sidcup to Cehegin | 925.90 mi (1,490.10 km) |
| Sidcup to Cervello | 698.57 mi (1,124.24 km) |
| Sidcup to Cervera | 676.65 mi (1,088.96 km) |
| Sidcup to Ceuti | 924.63 mi (1,488.06 km) |
| Sidcup to Cheste | 826.30 mi (1,329.80 km) |
| Sidcup to Chiclana de la Frontera | 1,081.75 mi (1,740.90 km) |
| Sidcup to Chipiona | 1,064.70 mi (1,713.46 km) |
| Sidcup to Chiva | 826.95 mi (1,330.85 km) |
| Sidcup to Churriana de la Vega | 1,003.36 mi (1,614.75 km) |
| Sidcup to Ciempozuelos | 798.58 mi (1,285.18 km) |
| Sidcup to Cieza | 914.13 mi (1,471.15 km) |
| Sidcup to Cisterniga | 714.55 mi (1,149.96 km) |
| Sidcup to Ciudad de Melilla | 1,125.65 mi (1,811.55 km) |
| Sidcup to Ciudad Real | 881.36 mi (1,418.41 km) |
| Sidcup to Ciudad-Rodrigo | 812.46 mi (1,307.53 km) |
