| Alton to Cabestany | 613.48 mi (987.30 km) |
| Alton to Cabries | 609.72 mi (981.25 km) |
| Alton to Cachan | 219.41 mi (353.11 km) |
| Alton to Caen | 138.72 mi (223.25 km) |
| Alton to Cagnes-sur-Mer | 640.94 mi (1,031.49 km) |
| Alton to Cahors | 476.41 mi (766.71 km) |
| Alton to Calais | 123.85 mi (199.31 km) |
| Alton to Caluire-et-Cuire | 455.81 mi (733.55 km) |
| Alton to Cambrai | 196.33 mi (315.96 km) |
| Alton to Canet-en-Roussillon | 612.74 mi (986.11 km) |
| Alton to Cannes | 643.79 mi (1,036.07 km) |
| Alton to Canteleu | 147.19 mi (236.88 km) |
| Alton to Capbreton | 519.18 mi (835.54 km) |
| Alton to Carcassonne | 570.24 mi (917.72 km) |
| Alton to Carmaux | 511.76 mi (823.60 km) |
