| Silver Spring to Cehegin | 3,940.02 mi (6,340.85 km) |
| Silver Spring to Cervello | 4,018.19 mi (6,466.65 km) |
| Silver Spring to Cervera | 3,978.05 mi (6,402.06 km) |
| Silver Spring to Ceuti | 3,966.07 mi (6,382.78 km) |
| Silver Spring to Cheste | 3,951.52 mi (6,359.36 km) |
| Silver Spring to Chiclana de la Frontera | 3,776.03 mi (6,076.94 km) |
| Silver Spring to Chipiona | 3,752.39 mi (6,038.89 km) |
| Silver Spring to Chiva | 3,950.08 mi (6,357.04 km) |
| Silver Spring to Churriana de la Vega | 3,878.10 mi (6,241.20 km) |
| Silver Spring to Ciempozuelos | 3,790.67 mi (6,100.50 km) |
| Silver Spring to Cieza | 3,953.99 mi (6,363.34 km) |
| Silver Spring to Cisterniga | 3,699.27 mi (5,953.40 km) |
| Silver Spring to Ciudad de Melilla | 3,971.46 mi (6,391.44 km) |
| Silver Spring to Ciudad Real | 3,810.20 mi (6,131.93 km) |
| Silver Spring to Ciudad-Rodrigo | 3,637.71 mi (5,854.33 km) |
