| Clay to Celano | 5,165.47 mi (8,313.02 km) |
| Clay to Cento | 4,973.56 mi (8,004.16 km) |
| Clay to Cepagatti | 5,177.28 mi (8,332.03 km) |
| Clay to Ceprano | 5,183.31 mi (8,341.73 km) |
| Clay to Cercola | 5,245.16 mi (8,441.26 km) |
| Clay to Cerea | 4,954.68 mi (7,973.79 km) |
| Clay to Cerese | 4,940.04 mi (7,950.22 km) |
| Clay to Cerignola | 5,297.80 mi (8,525.98 km) |
| Clay to Cermenate | 4,847.51 mi (7,801.32 km) |
| Clay to Cernusco sul Naviglio | 4,864.17 mi (7,828.13 km) |
| Clay to Cerreto Guidi | 4,989.75 mi (8,030.22 km) |
| Clay to Cerro Maggiore | 4,845.12 mi (7,797.47 km) |
| Clay to Certaldo | 5,004.15 mi (8,053.40 km) |
| Clay to Cerveteri | 5,104.84 mi (8,215.44 km) |
| Clay to Cervia | 5,035.74 mi (8,104.24 km) |
