| Letchworth to Lizzano | 1,158.71 mi (1,864.76 km) |
| Letchworth to Locate di Triulzi | 627.94 mi (1,010.58 km) |
| Letchworth to Locorotondo | 1,135.48 mi (1,827.38 km) |
| Letchworth to Locri | 1,238.48 mi (1,993.14 km) |
| Letchworth to Lodi | 638.57 mi (1,027.67 km) |
| Letchworth to Lomazzo | 603.75 mi (971.64 km) |
| Letchworth to Lonate Pozzolo | 600.21 mi (965.95 km) |
| Letchworth to Lonigo | 697.31 mi (1,122.21 km) |
| Letchworth to Loreto | 870.29 mi (1,400.60 km) |
| Letchworth to Loria | 697.47 mi (1,122.47 km) |
| Letchworth to Lucca | 748.84 mi (1,205.15 km) |
| Letchworth to Lucera | 1,028.97 mi (1,655.96 km) |
| Letchworth to Lugo | 763.60 mi (1,228.89 km) |
| Letchworth to Luino | 579.16 mi (932.07 km) |
| Letchworth to Lurate Caccivio | 599.21 mi (964.34 km) |
