| Clayton to Cervignano del Friuli | 867.97 mi (1,396.87 km) |
| Clayton to Cesa | 1,155.46 mi (1,859.53 km) |
| Clayton to Cesano Maderno | 744.63 mi (1,198.36 km) |
| Clayton to Cesena | 919.08 mi (1,479.11 km) |
| Clayton to Cesenatico | 920.45 mi (1,481.32 km) |
| Clayton to Cetraro | 1,290.24 mi (2,076.43 km) |
| Clayton to Cherasco | 765.96 mi (1,232.69 km) |
| Clayton to Chiampo | 814.02 mi (1,310.03 km) |
| Clayton to Chiaravalle | 982.08 mi (1,580.50 km) |
| Clayton to Chiari | 772.45 mi (1,243.14 km) |
| Clayton to Chiavari | 824.11 mi (1,326.27 km) |
| Clayton to Chieri | 743.39 mi (1,196.38 km) |
| Clayton to Chieti | 1,076.03 mi (1,731.71 km) |
| Clayton to Chioggia | 863.07 mi (1,388.98 km) |
| Clayton to Chiusi | 972.20 mi (1,564.61 km) |
