| Allonnes to Ciampino | 741.85 mi (1,193.90 km) |
| Allonnes to Cicciano | 855.90 mi (1,377.44 km) |
| Allonnes to Cingoli | 704.79 mi (1,134.25 km) |
| Allonnes to Cinisello Balsamo | 459.73 mi (739.86 km) |
| Allonnes to Cinisi | 938.41 mi (1,510.23 km) |
| Allonnes to Cirie | 400.25 mi (644.14 km) |
| Allonnes to Ciro Marina | 1,031.76 mi (1,660.46 km) |
| Allonnes to Cislago | 445.87 mi (717.55 km) |
| Allonnes to Cisterna di Latina | 760.14 mi (1,223.32 km) |
| Allonnes to Cisternino | 985.76 mi (1,586.43 km) |
| Allonnes to Citta di Castello | 659.88 mi (1,061.98 km) |
| Allonnes to Citta Sant'Angelo | 771.98 mi (1,242.38 km) |
| Allonnes to Cittadella | 571.86 mi (920.32 km) |
| Allonnes to Cittanova | 1,038.38 mi (1,671.11 km) |
| Allonnes to Cividale del Friuli | 637.37 mi (1,025.74 km) |
