| Diez to Ciampino | 631.31 mi (1,015.99 km) |
| Diez to Cicciano | 721.27 mi (1,160.78 km) |
| Diez to Cingoli | 542.40 mi (872.91 km) |
| Diez to Cinisello Balsamo | 337.67 mi (543.44 km) |
| Diez to Cinisi | 879.41 mi (1,415.27 km) |
| Diez to Cirie | 355.35 mi (571.88 km) |
| Diez to Ciro Marina | 879.90 mi (1,416.06 km) |
| Diez to Cislago | 329.12 mi (529.66 km) |
| Diez to Cisterna di Latina | 648.80 mi (1,044.15 km) |
| Diez to Cisternino | 805.46 mi (1,296.26 km) |
| Diez to Citta di Castello | 517.24 mi (832.42 km) |
| Diez to Citta Sant'Angelo | 613.53 mi (987.38 km) |
| Diez to Cittadella | 369.64 mi (594.87 km) |
| Diez to Cittanova | 919.92 mi (1,480.47 km) |
| Diez to Cividale del Friuli | 386.10 mi (621.36 km) |
