| Clarkston to Castrovillari | 5,256.17 mi (8,458.99 km) |
| Clarkston to Catania | 5,292.00 mi (8,516.65 km) |
| Clarkston to Catanzaro | 5,308.49 mi (8,543.19 km) |
| Clarkston to Cattolica | 4,955.15 mi (7,974.54 km) |
| Clarkston to Cava de' Tirreni | 5,156.73 mi (8,298.96 km) |
| Clarkston to Cavallino | 5,325.81 mi (8,571.07 km) |
| Clarkston to Cavarzere | 4,887.56 mi (7,865.76 km) |
| Clarkston to Cave | 5,038.33 mi (8,108.41 km) |
| Clarkston to Cavriago | 4,835.49 mi (7,781.97 km) |
| Clarkston to Cavriglia | 4,916.06 mi (7,911.64 km) |
| Clarkston to Cazzago San Martino | 4,785.11 mi (7,700.89 km) |
| Clarkston to Ceccano | 5,064.88 mi (8,151.14 km) |
| Clarkston to Cecina | 4,880.26 mi (7,854.02 km) |
| Clarkston to Cefalu | 5,222.75 mi (8,405.20 km) |
| Clarkston to Ceglie Messapico | 5,282.43 mi (8,501.25 km) |
