| Letchworth to Carmignano | 766.02 mi (1,232.79 km) |
| Letchworth to Carovigno | 1,150.12 mi (1,850.94 km) |
| Letchworth to Carpenedolo | 666.15 mi (1,072.06 km) |
| Letchworth to Carpi | 710.71 mi (1,143.78 km) |
| Letchworth to Carrara | 723.63 mi (1,164.57 km) |
| Letchworth to Carugate | 621.07 mi (999.52 km) |
| Letchworth to Casal di Principe | 1,016.28 mi (1,635.55 km) |
| Letchworth to Casale Monferrato | 616.76 mi (992.58 km) |
| Letchworth to Casale sul Sile | 720.32 mi (1,159.24 km) |
| Letchworth to Casalecchio di Reno | 739.27 mi (1,189.74 km) |
| Letchworth to Casalgrande | 716.27 mi (1,152.72 km) |
| Letchworth to Casalmaggiore | 685.03 mi (1,102.45 km) |
| Letchworth to Casalnuovo di Napoli | 1,028.61 mi (1,655.39 km) |
| Letchworth to Casalpusterlengo | 650.60 mi (1,047.05 km) |
| Letchworth to Casaluce | 1,019.30 mi (1,640.40 km) |
