| Wealdstone to Melzo | 612.51 mi (985.73 km) |
| Wealdstone to Mendicino | 1,164.51 mi (1,874.10 km) |
| Wealdstone to Menfi | 1,163.22 mi (1,872.03 km) |
| Wealdstone to Mentana | 900.24 mi (1,448.79 km) |
| Wealdstone to Merano | 620.11 mi (997.97 km) |
| Wealdstone to Merate | 603.04 mi (970.50 km) |
| Wealdstone to Mercato San Severino | 1,035.23 mi (1,666.05 km) |
| Wealdstone to Mercogliano | 1,026.93 mi (1,652.69 km) |
| Wealdstone to Mesagne | 1,150.18 mi (1,851.04 km) |
| Wealdstone to Messina | 1,203.90 mi (1,937.49 km) |
| Wealdstone to Mestre | 711.66 mi (1,145.31 km) |
| Wealdstone to Mestrino | 696.38 mi (1,120.72 km) |
| Wealdstone to Milan | 606.74 mi (976.45 km) |
| Wealdstone to Milazzo | 1,192.84 mi (1,919.69 km) |
| Wealdstone to Minerbio | 725.87 mi (1,168.17 km) |
