| Clayton to Cabestany | 797.20 mi (1,282.97 km) |
| Clayton to Cabries | 785.47 mi (1,264.09 km) |
| Clayton to Cachan | 388.38 mi (625.04 km) |
| Clayton to Caen | 323.96 mi (521.36 km) |
| Clayton to Cagnes-sur-Mer | 808.24 mi (1,300.73 km) |
| Clayton to Cahors | 661.34 mi (1,064.33 km) |
| Clayton to Calais | 249.56 mi (401.62 km) |
| Clayton to Caluire-et-Cuire | 626.09 mi (1,007.60 km) |
| Clayton to Cambrai | 328.81 mi (529.17 km) |
| Clayton to Canet-en-Roussillon | 796.33 mi (1,281.57 km) |
| Clayton to Cannes | 812.16 mi (1,307.04 km) |
| Clayton to Canteleu | 323.18 mi (520.11 km) |
| Clayton to Capbreton | 700.83 mi (1,127.87 km) |
| Clayton to Carcassonne | 754.58 mi (1,214.38 km) |
| Clayton to Carmaux | 695.95 mi (1,120.02 km) |
