| Clay to Carmignano | 4,993.78 mi (8,036.71 km) |
| Clay to Carovigno | 5,396.10 mi (8,684.18 km) |
| Clay to Carpenedolo | 4,915.87 mi (7,911.32 km) |
| Clay to Carpi | 4,954.81 mi (7,974.00 km) |
| Clay to Carrara | 4,945.19 mi (7,958.51 km) |
| Clay to Carugate | 4,863.07 mi (7,826.36 km) |
| Clay to Casal di Principe | 5,230.05 mi (8,416.95 km) |
| Clay to Casale Monferrato | 4,839.31 mi (7,788.12 km) |
| Clay to Casale sul Sile | 4,987.75 mi (8,027.00 km) |
| Clay to Casalecchio di Reno | 4,982.18 mi (8,018.05 km) |
| Clay to Casalgrande | 4,955.25 mi (7,974.70 km) |
| Clay to Casalmaggiore | 4,927.95 mi (7,930.77 km) |
| Clay to Casalnuovo di Napoli | 5,243.29 mi (8,438.27 km) |
| Clay to Casalpusterlengo | 4,888.90 mi (7,867.93 km) |
| Clay to Casaluce | 5,233.60 mi (8,422.66 km) |
