| Clay to Castelfidardo | 5,114.88 mi (8,231.60 km) |
| Clay to Castelfiorentino | 4,999.12 mi (8,045.30 km) |
| Clay to Castelfranco di Sopra | 5,023.87 mi (8,085.13 km) |
| Clay to Castelfranco di Sotto | 4,986.28 mi (8,024.64 km) |
| Clay to Castelfranco Emilia | 4,968.44 mi (7,995.93 km) |
| Clay to Castelfranco Veneto | 4,968.72 mi (7,996.39 km) |
| Clay to Castellabate | 5,293.77 mi (8,519.49 km) |
| Clay to Castellammare del Golfo | 5,284.60 mi (8,504.74 km) |
| Clay to Castellammare di Stabia | 5,257.31 mi (8,460.83 km) |
| Clay to Castellamonte | 4,799.23 mi (7,723.61 km) |
| Clay to Castellana Grotte | 5,367.36 mi (8,637.93 km) |
| Clay to Castellaneta | 5,366.95 mi (8,637.26 km) |
| Clay to Castellanza | 4,842.45 mi (7,793.17 km) |
| Clay to Castellarano | 4,957.95 mi (7,979.05 km) |
| Clay to Castelleone | 4,889.69 mi (7,869.20 km) |
