| Clemmons to Carmona | 4,022.78 mi (6,474.04 km) |
| Clemmons to Cartagena | 4,251.20 mi (6,841.64 km) |
| Clemmons to Cartama | 4,094.41 mi (6,589.31 km) |
| Clemmons to Cartaya | 3,951.18 mi (6,358.80 km) |
| Clemmons to Caspe | 4,192.80 mi (6,747.67 km) |
| Clemmons to Cassa de la Selva | 4,310.90 mi (6,937.72 km) |
| Clemmons to Castalla | 4,237.31 mi (6,819.29 km) |
| Clemmons to Castellbisbal | 4,281.13 mi (6,889.82 km) |
| Clemmons to Castelldefels | 4,286.58 mi (6,898.58 km) |
| Clemmons to Castello de Ampurias | 4,309.46 mi (6,935.41 km) |
| Clemmons to Castellon de la Plana | 4,228.23 mi (6,804.67 km) |
| Clemmons to Castilleja de la Cuesta | 4,004.07 mi (6,443.92 km) |
| Clemmons to Catarroja | 4,226.95 mi (6,802.62 km) |
| Clemmons to Catral | 4,243.49 mi (6,829.23 km) |
| Clemmons to Caudete | 4,218.64 mi (6,789.25 km) |
