| Clemson to Cehegin | 4,361.04 mi (7,018.42 km) |
| Clemson to Cervello | 4,447.78 mi (7,158.00 km) |
| Clemson to Cervera | 4,407.68 mi (7,093.47 km) |
| Clemson to Ceuti | 4,387.49 mi (7,060.99 km) |
| Clemson to Cheste | 4,376.21 mi (7,042.84 km) |
| Clemson to Chiclana de la Frontera | 4,189.03 mi (6,741.59 km) |
| Clemson to Chipiona | 4,165.97 mi (6,704.47 km) |
| Clemson to Chiva | 4,374.73 mi (7,040.45 km) |
| Clemson to Churriana de la Vega | 4,295.37 mi (6,912.73 km) |
| Clemson to Ciempozuelos | 4,214.69 mi (6,782.90 km) |
| Clemson to Cieza | 4,375.64 mi (7,041.91 km) |
| Clemson to Cisterniga | 4,125.51 mi (6,639.36 km) |
| Clemson to Ciudad de Melilla | 4,384.73 mi (7,056.54 km) |
| Clemson to Ciudad Real | 4,231.50 mi (6,809.95 km) |
| Clemson to Ciudad-Rodrigo | 4,060.69 mi (6,535.05 km) |
