| Letchworth to Manerbio | 656.27 mi (1,056.16 km) |
| Letchworth to Manfredonia | 1,041.61 mi (1,676.30 km) |
| Letchworth to Maniago | 708.75 mi (1,140.62 km) |
| Letchworth to Mantova | 688.60 mi (1,108.20 km) |
| Letchworth to Maranello | 723.17 mi (1,163.83 km) |
| Letchworth to Marano di Napoli | 1,024.30 mi (1,648.45 km) |
| Letchworth to Marano Vicentino | 683.77 mi (1,100.42 km) |
| Letchworth to Marcianise | 1,020.62 mi (1,642.52 km) |
| Letchworth to Marcon | 721.23 mi (1,160.71 km) |
| Letchworth to Mareno di Piave | 709.91 mi (1,142.50 km) |
| Letchworth to Margherita di Savoia | 1,063.43 mi (1,711.42 km) |
| Letchworth to Mariano Comense | 608.50 mi (979.28 km) |
| Letchworth to Marigliano | 1,030.85 mi (1,659.00 km) |
| Letchworth to Marino | 929.34 mi (1,495.63 km) |
| Letchworth to Marostica | 689.41 mi (1,109.49 km) |
