| Clemmons to Cadiz | 4,014.87 mi (6,461.30 km) |
| Clemmons to Calafell | 4,269.66 mi (6,871.35 km) |
| Clemmons to Calahorra | 4,072.23 mi (6,553.63 km) |
| Clemmons to Calasparra | 4,197.32 mi (6,754.94 km) |
| Clemmons to Calatayud | 4,113.40 mi (6,619.88 km) |
| Clemmons to Caldas de Montbuy | 4,285.32 mi (6,896.55 km) |
| Clemmons to Caldas de Reyes | 3,746.53 mi (6,029.45 km) |
| Clemmons to Calella | 4,309.05 mi (6,934.74 km) |
| Clemmons to Callosa de Segura | 4,240.89 mi (6,825.05 km) |
| Clemmons to Calpe | 4,270.86 mi (6,873.28 km) |
| Clemmons to Calvia | 4,362.48 mi (7,020.73 km) |
| Clemmons to Camas | 4,004.40 mi (6,444.46 km) |
| Clemmons to Cambados | 3,741.03 mi (6,020.60 km) |
| Clemmons to Cambre | 3,746.13 mi (6,028.81 km) |
| Clemmons to Cambrils | 4,249.23 mi (6,838.47 km) |
