| Letchworth to Marsala | 1,155.68 mi (1,859.88 km) |
| Letchworth to Marsciano | 855.89 mi (1,377.42 km) |
| Letchworth to Martano | 1,198.05 mi (1,928.07 km) |
| Letchworth to Martellago | 716.54 mi (1,153.16 km) |
| Letchworth to Martina Franca | 1,138.63 mi (1,832.44 km) |
| Letchworth to Martinengo | 633.94 mi (1,020.22 km) |
| Letchworth to Martinsicuro | 909.22 mi (1,463.25 km) |
| Letchworth to Mascali | 1,234.50 mi (1,986.73 km) |
| Letchworth to Mascalucia | 1,240.88 mi (1,997.01 km) |
| Letchworth to Masera di Padova | 717.25 mi (1,154.31 km) |
| Letchworth to Maserada sul Piave | 712.79 mi (1,147.13 km) |
| Letchworth to Massa | 727.15 mi (1,170.24 km) |
| Letchworth to Massa Lombarda | 758.57 mi (1,220.79 km) |
| Letchworth to Massafra | 1,137.34 mi (1,830.38 km) |
| Letchworth to Massalubrense | 1,045.21 mi (1,682.10 km) |
