| Clayton to Corato | 1,211.93 mi (1,950.42 km) |
| Clayton to Corbetta | 747.17 mi (1,202.46 km) |
| Clayton to Corciano | 975.49 mi (1,569.90 km) |
| Clayton to Cordenons | 838.56 mi (1,349.53 km) |
| Clayton to Cori | 1,078.16 mi (1,735.13 km) |
| Clayton to Coriano | 939.40 mi (1,511.82 km) |
| Clayton to Corigliano Calabro | 1,301.74 mi (2,094.95 km) |
| Clayton to Corleone | 1,315.63 mi (2,117.30 km) |
| Clayton to Cormano | 749.70 mi (1,206.53 km) |
| Clayton to Cornaredo | 748.64 mi (1,204.82 km) |
| Clayton to Cornate d'Adda | 752.97 mi (1,211.78 km) |
| Clayton to Cornedo Vicentino | 812.67 mi (1,307.86 km) |
| Clayton to Correggio | 840.22 mi (1,352.20 km) |
| Clayton to Corridonia | 1,006.71 mi (1,620.14 km) |
| Clayton to Corsico | 754.74 mi (1,214.64 km) |
