| Letchworth to Caltagirone | 1,245.12 mi (2,003.82 km) |
| Letchworth to Caltanissetta | 1,217.57 mi (1,959.49 km) |
| Letchworth to Calvisano | 664.13 mi (1,068.82 km) |
| Letchworth to Calvizzano | 1,024.30 mi (1,648.45 km) |
| Letchworth to Camaiore | 737.67 mi (1,187.17 km) |
| Letchworth to Cameri | 602.51 mi (969.65 km) |
| Letchworth to Camisano Vicentino | 702.42 mi (1,130.44 km) |
| Letchworth to Campagna | 1,066.17 mi (1,715.84 km) |
| Letchworth to Campagnano di Roma | 900.31 mi (1,448.91 km) |
| Letchworth to Campi Bisenzio | 769.66 mi (1,238.65 km) |
| Letchworth to Campi Salentina | 1,177.82 mi (1,895.52 km) |
| Letchworth to Campiglia Marittima | 795.27 mi (1,279.86 km) |
| Letchworth to Campobasso | 1,003.44 mi (1,614.89 km) |
| Letchworth to Campobello di Licata | 1,227.99 mi (1,976.25 km) |
| Letchworth to Campobello di Mazara | 1,173.86 mi (1,889.14 km) |
