| Clarkston to Corato | 5,215.43 mi (8,393.42 km) |
| Clarkston to Corbetta | 4,741.06 mi (7,629.99 km) |
| Clarkston to Corciano | 4,964.10 mi (7,988.95 km) |
| Clarkston to Cordenons | 4,885.33 mi (7,862.18 km) |
| Clarkston to Cori | 5,043.44 mi (8,116.63 km) |
| Clarkston to Coriano | 4,949.39 mi (7,965.27 km) |
| Clarkston to Corigliano Calabro | 5,278.43 mi (8,494.81 km) |
| Clarkston to Corleone | 5,197.40 mi (8,364.41 km) |
| Clarkston to Cormano | 4,749.22 mi (7,643.13 km) |
| Clarkston to Cornaredo | 4,745.04 mi (7,636.41 km) |
| Clarkston to Cornate d'Adda | 4,758.96 mi (7,658.80 km) |
| Clarkston to Cornedo Vicentino | 4,840.49 mi (7,790.02 km) |
| Clarkston to Correggio | 4,843.95 mi (7,795.58 km) |
| Clarkston to Corridonia | 5,013.86 mi (8,069.03 km) |
| Clarkston to Corsico | 4,750.74 mi (7,645.58 km) |
