| Clayton to Campo de Criptana | 995.58 mi (1,602.23 km) |
| Clayton to Campos del Puerto | 1,017.18 mi (1,636.99 km) |
| Clayton to Canals | 1,025.66 mi (1,650.64 km) |
| Clayton to Candelaria | 1,904.97 mi (3,065.76 km) |
| Clayton to Canet de Mar | 866.35 mi (1,394.25 km) |
| Clayton to Cangas | 857.49 mi (1,379.99 km) |
| Clayton to Cangas de Narcea | 763.97 mi (1,229.49 km) |
| Clayton to Canovellas | 861.41 mi (1,386.30 km) |
| Clayton to Canteras | 1,117.83 mi (1,798.97 km) |
| Clayton to Cantillana | 1,134.18 mi (1,825.29 km) |
| Clayton to Capdepera | 1,003.49 mi (1,614.97 km) |
| Clayton to Carballo | 793.97 mi (1,277.77 km) |
| Clayton to Carcagente | 1,014.93 mi (1,633.36 km) |
| Clayton to Cardedeu | 860.64 mi (1,385.07 km) |
| Clayton to Carlet | 1,007.53 mi (1,621.46 km) |
