| Clayton to Busto Arsizio | 737.21 mi (1,186.42 km) |
| Clayton to Busto Garolfo | 741.78 mi (1,193.79 km) |
| Clayton to Cabras | 1,071.93 mi (1,725.11 km) |
| Clayton to Cadelbosco di Sopra | 834.97 mi (1,343.75 km) |
| Clayton to Cadoneghe | 840.02 mi (1,351.88 km) |
| Clayton to Cagli | 963.56 mi (1,550.70 km) |
| Clayton to Cagliari | 1,128.89 mi (1,816.78 km) |
| Clayton to Cairo Montenotte | 790.95 mi (1,272.90 km) |
| Clayton to Caivano | 1,158.38 mi (1,864.24 km) |
| Clayton to Calcinaia | 896.08 mi (1,442.10 km) |
| Clayton to Calcinato | 791.83 mi (1,274.33 km) |
| Clayton to Calderara di Reno | 865.94 mi (1,393.59 km) |
| Clayton to Caldogno | 818.15 mi (1,316.69 km) |
| Clayton to Calenzano | 901.58 mi (1,450.95 km) |
| Clayton to Calolziocorte | 743.80 mi (1,197.03 km) |
