| Letchworth to Massarosa | 742.34 mi (1,194.68 km) |
| Letchworth to Matelica | 859.67 mi (1,383.51 km) |
| Letchworth to Matera | 1,115.47 mi (1,795.17 km) |
| Letchworth to Matino | 1,201.01 mi (1,932.84 km) |
| Letchworth to Mazzarino | 1,232.73 mi (1,983.89 km) |
| Letchworth to Meda | 609.70 mi (981.22 km) |
| Letchworth to Medesano | 688.43 mi (1,107.93 km) |
| Letchworth to Medicina | 750.78 mi (1,208.26 km) |
| Letchworth to Meldola | 782.53 mi (1,259.36 km) |
| Letchworth to Melegnano | 630.82 mi (1,015.20 km) |
| Letchworth to Melendugno | 1,195.73 mi (1,924.34 km) |
| Letchworth to Melfi | 1,066.06 mi (1,715.66 km) |
| Letchworth to Melilli | 1,265.38 mi (2,036.44 km) |
| Letchworth to Melito di Napoli | 1,024.94 mi (1,649.48 km) |
| Letchworth to Melito di Porto Salvo | 1,242.09 mi (1,998.94 km) |
