| Clemson to Cervignano del Friuli | 4,816.59 mi (7,751.55 km) |
| Clemson to Cesa | 5,024.99 mi (8,086.93 km) |
| Clemson to Cesano Maderno | 4,644.71 mi (7,474.94 km) |
| Clemson to Cesena | 4,827.06 mi (7,768.40 km) |
| Clemson to Cesenatico | 4,831.48 mi (7,775.51 km) |
| Clemson to Cetraro | 5,155.42 mi (8,296.85 km) |
| Clemson to Cherasco | 4,619.59 mi (7,434.51 km) |
| Clemson to Chiampo | 4,738.89 mi (7,626.50 km) |
| Clemson to Chiaravalle | 4,892.62 mi (7,873.90 km) |
| Clemson to Chiari | 4,679.95 mi (7,531.65 km) |
| Clemson to Chiavari | 4,694.44 mi (7,554.97 km) |
| Clemson to Chieri | 4,606.42 mi (7,413.32 km) |
| Clemson to Chieti | 4,972.71 mi (8,002.80 km) |
| Clemson to Chioggia | 4,792.24 mi (7,712.36 km) |
| Clemson to Chiusi | 4,852.22 mi (7,808.90 km) |
