| Letchworth to Lapua | 1,138.31 mi (1,831.93 km) |
| Letchworth to Laukaa | 1,202.89 mi (1,935.87 km) |
| Letchworth to Lauritsala | 1,239.89 mi (1,995.41 km) |
| Letchworth to Lempaala | 1,105.97 mi (1,779.88 km) |
| Letchworth to Leppavirta | 1,258.80 mi (2,025.85 km) |
| Letchworth to Lieksa | 1,345.12 mi (2,164.77 km) |
| Letchworth to Lieto | 1,042.82 mi (1,678.25 km) |
| Letchworth to Liminka | 1,267.23 mi (2,039.40 km) |
| Letchworth to Liperi | 1,307.28 mi (2,103.87 km) |
| Letchworth to Lohja | 1,087.22 mi (1,749.71 km) |
| Letchworth to Loimaa | 1,071.54 mi (1,724.47 km) |
| Letchworth to Loviisa | 1,161.80 mi (1,869.73 km) |
| Letchworth to Mantsala | 1,136.41 mi (1,828.87 km) |
| Letchworth to Mariehamn | 953.20 mi (1,534.03 km) |
| Letchworth to Masku | 1,034.05 mi (1,664.14 km) |
