| Letchworth to Montevarchi | 798.86 mi (1,285.64 km) |
| Letchworth to Monticello Conte Otto | 693.78 mi (1,116.53 km) |
| Letchworth to Montichiari | 662.24 mi (1,065.77 km) |
| Letchworth to Montignoso | 729.07 mi (1,173.32 km) |
| Letchworth to Montopoli in Val d'Arno | 765.95 mi (1,232.68 km) |
| Letchworth to Monza | 617.43 mi (993.65 km) |
| Letchworth to Morbegno | 598.93 mi (963.89 km) |
| Letchworth to Mori | 660.93 mi (1,063.67 km) |
| Letchworth to Morlupo | 903.47 mi (1,453.99 km) |
| Letchworth to Morrovalle | 875.68 mi (1,409.27 km) |
| Letchworth to Mortara | 619.05 mi (996.27 km) |
| Letchworth to Mosciano Sant'Angelo | 915.04 mi (1,472.62 km) |
| Letchworth to Motta di Livenza | 722.00 mi (1,161.95 km) |
| Letchworth to Motta Sant'Anastasia | 1,242.41 mi (1,999.47 km) |
| Letchworth to Mottola | 1,131.88 mi (1,821.58 km) |
