| Clarkston to Cervignano del Friuli | 4,917.37 mi (7,913.74 km) |
| Clarkston to Cesa | 5,126.30 mi (8,249.98 km) |
| Clarkston to Cesano Maderno | 4,745.77 mi (7,637.58 km) |
| Clarkston to Cesena | 4,928.16 mi (7,931.11 km) |
| Clarkston to Cesenatico | 4,932.56 mi (7,938.19 km) |
| Clarkston to Cetraro | 5,256.77 mi (8,459.95 km) |
| Clarkston to Cherasco | 4,720.82 mi (7,597.42 km) |
| Clarkston to Chiampo | 4,839.85 mi (7,788.98 km) |
| Clarkston to Chiaravalle | 4,993.73 mi (8,036.63 km) |
| Clarkston to Chiari | 4,780.99 mi (7,694.25 km) |
| Clarkston to Chiavari | 4,795.65 mi (7,717.85 km) |
| Clarkston to Chieri | 4,707.61 mi (7,576.17 km) |
| Clarkston to Chieti | 5,073.92 mi (8,165.68 km) |
| Clarkston to Chioggia | 4,893.19 mi (7,874.82 km) |
| Clarkston to Chiusi | 4,953.46 mi (7,971.82 km) |
