| Castle Rock to Cehegin | 5,201.85 mi (8,371.56 km) |
| Castle Rock to Cervello | 5,210.77 mi (8,385.92 km) |
| Castle Rock to Cervera | 5,171.53 mi (8,322.78 km) |
| Castle Rock to Ceuti | 5,224.70 mi (8,408.34 km) |
| Castle Rock to Cheste | 5,188.16 mi (8,349.54 km) |
| Castle Rock to Chiclana de la Frontera | 5,084.65 mi (8,182.95 km) |
| Castle Rock to Chipiona | 5,058.92 mi (8,141.54 km) |
| Castle Rock to Chiva | 5,187.07 mi (8,347.78 km) |
| Castle Rock to Churriana de la Vega | 5,163.15 mi (8,309.29 km) |
| Castle Rock to Ciempozuelos | 5,036.92 mi (8,106.13 km) |
| Castle Rock to Cieza | 5,211.53 mi (8,387.14 km) |
| Castle Rock to Cisterniga | 4,931.84 mi (7,937.03 km) |
| Castle Rock to Ciudad de Melilla | 5,274.17 mi (8,487.96 km) |
| Castle Rock to Ciudad Real | 5,073.87 mi (8,165.60 km) |
| Castle Rock to Ciudad-Rodrigo | 4,895.61 mi (7,878.73 km) |
