| Clay to Cervignano del Friuli | 5,021.51 mi (8,081.33 km) |
| Clay to Cesa | 5,236.30 mi (8,427.01 km) |
| Clay to Cesano Maderno | 4,852.44 mi (7,809.24 km) |
| Clay to Cesena | 5,035.21 mi (8,103.39 km) |
| Clay to Cesenatico | 5,039.45 mi (8,110.21 km) |
| Clay to Cetraro | 5,367.53 mi (8,638.21 km) |
| Clay to Cherasco | 4,829.49 mi (7,772.31 km) |
| Clay to Chiampo | 4,945.50 mi (7,959.01 km) |
| Clay to Chiaravalle | 5,100.88 mi (8,209.08 km) |
| Clay to Chiari | 4,887.42 mi (7,865.55 km) |
| Clay to Chiavari | 4,904.03 mi (7,892.27 km) |
| Clay to Chieri | 4,815.81 mi (7,750.30 km) |
| Clay to Chieti | 5,182.22 mi (8,339.97 km) |
| Clay to Chioggia | 4,998.75 mi (8,044.71 km) |
| Clay to Chiusi | 5,062.15 mi (8,146.75 km) |
