| Clemmons to Cocentaina | 4,244.25 mi (6,830.46 km) |
| Clemmons to Coin | 4,089.64 mi (6,581.64 km) |
| Clemmons to Colindres | 3,974.51 mi (6,396.36 km) |
| Clemmons to Collado-Villalba | 4,018.19 mi (6,466.65 km) |
| Clemmons to Colmenar Viejo | 4,029.28 mi (6,484.49 km) |
| Clemmons to Colmenarejo | 4,019.68 mi (6,469.04 km) |
| Clemmons to Conil de la Frontera | 4,033.24 mi (6,490.87 km) |
| Clemmons to Consuegra | 4,069.07 mi (6,548.53 km) |
| Clemmons to Corbera de Llobregat | 4,280.48 mi (6,888.76 km) |
| Clemmons to Cordoba | 4,054.12 mi (6,524.47 km) |
| Clemmons to Coria del Rio | 4,006.80 mi (6,448.32 km) |
| Clemmons to Crevillente | 4,240.69 mi (6,824.72 km) |
| Clemmons to Cuarte de Huerva | 4,141.17 mi (6,664.58 km) |
| Clemmons to Cubellas | 4,274.31 mi (6,878.83 km) |
| Clemmons to Cuellar | 3,983.56 mi (6,410.92 km) |
