| Allonnes to Cosenza | 999.72 mi (1,608.90 km) |
| Allonnes to Cossato | 413.39 mi (665.28 km) |
| Allonnes to Costa Volpino | 491.49 mi (790.98 km) |
| Allonnes to Creazzo | 561.20 mi (903.17 km) |
| Allonnes to Crema | 485.57 mi (781.45 km) |
| Allonnes to Cremona | 507.90 mi (817.38 km) |
| Allonnes to Crevalcore | 569.63 mi (916.74 km) |
| Allonnes to Crispiano | 982.83 mi (1,581.71 km) |
| Allonnes to Crosia | 1,008.27 mi (1,622.65 km) |
| Allonnes to Crotone | 1,044.31 mi (1,680.65 km) |
| Allonnes to Cuneo | 431.38 mi (694.24 km) |
| Allonnes to Cuorgne | 396.99 mi (638.89 km) |
| Allonnes to Cusano Milanino | 458.26 mi (737.49 km) |
| Allonnes to Cutro | 1,041.25 mi (1,675.73 km) |
| Allonnes to Cutrofiano | 1,043.57 mi (1,679.46 km) |
