| Letchworth to Chivasso | 597.19 mi (961.08 km) |
| Letchworth to Ciampino | 925.45 mi (1,489.37 km) |
| Letchworth to Cicciano | 1,031.66 mi (1,660.30 km) |
| Letchworth to Cingoli | 860.82 mi (1,385.35 km) |
| Letchworth to Cinisello Balsamo | 617.39 mi (993.59 km) |
| Letchworth to Cinisi | 1,150.86 mi (1,852.13 km) |
| Letchworth to Cirie | 586.67 mi (944.16 km) |
| Letchworth to Ciro Marina | 1,202.77 mi (1,935.68 km) |
| Letchworth to Cislago | 604.29 mi (972.51 km) |
| Letchworth to Cisterna di Latina | 944.07 mi (1,519.34 km) |
| Letchworth to Cisternino | 1,140.33 mi (1,835.18 km) |
| Letchworth to Citta di Castello | 823.96 mi (1,326.04 km) |
| Letchworth to Citta Sant'Angelo | 932.78 mi (1,501.17 km) |
| Letchworth to Cittadella | 698.43 mi (1,124.01 km) |
| Letchworth to Cittanova | 1,226.38 mi (1,973.66 km) |
