| Allonnes to Corbetta | 449.03 mi (722.64 km) |
| Allonnes to Corciano | 673.91 mi (1,084.56 km) |
| Allonnes to Cordenons | 606.10 mi (975.43 km) |
| Allonnes to Cori | 761.14 mi (1,224.93 km) |
| Allonnes to Coriano | 657.27 mi (1,057.77 km) |
| Allonnes to Corigliano Calabro | 996.68 mi (1,603.99 km) |
| Allonnes to Corleone | 964.01 mi (1,551.43 km) |
| Allonnes to Cormano | 457.53 mi (736.32 km) |
| Allonnes to Cornaredo | 453.13 mi (729.24 km) |
| Allonnes to Cornate d'Adda | 467.97 mi (753.12 km) |
| Allonnes to Cornedo Vicentino | 553.10 mi (890.13 km) |
| Allonnes to Correggio | 551.89 mi (888.18 km) |
| Allonnes to Corridonia | 721.87 mi (1,161.73 km) |
| Allonnes to Corsico | 458.76 mi (738.30 km) |
| Allonnes to Cortona | 656.09 mi (1,055.87 km) |
