| Knightdale to Cehegin | 4,110.36 mi (6,614.99 km) |
| Knightdale to Cervello | 4,201.95 mi (6,762.38 km) |
| Knightdale to Cervera | 4,161.90 mi (6,697.93 km) |
| Knightdale to Ceuti | 4,136.96 mi (6,657.79 km) |
| Knightdale to Cheste | 4,127.21 mi (6,642.11 km) |
| Knightdale to Chiclana de la Frontera | 3,935.95 mi (6,334.30 km) |
| Knightdale to Chipiona | 3,913.03 mi (6,297.41 km) |
| Knightdale to Chiva | 4,125.71 mi (6,639.69 km) |
| Knightdale to Churriana de la Vega | 4,043.39 mi (6,507.21 km) |
| Knightdale to Ciempozuelos | 3,965.41 mi (6,381.71 km) |
| Knightdale to Cieza | 4,125.20 mi (6,638.87 km) |
| Knightdale to Cisterniga | 3,877.48 mi (6,240.19 km) |
| Knightdale to Ciudad de Melilla | 4,131.66 mi (6,649.27 km) |
| Knightdale to Ciudad Real | 3,980.98 mi (6,406.77 km) |
| Knightdale to Ciudad-Rodrigo | 3,810.96 mi (6,133.15 km) |
