| Musselburgh to Mangualde | 1,080.99 mi (1,739.69 km) |
| Musselburgh to Marco de Canavezes | 1,045.30 mi (1,682.25 km) |
| Musselburgh to Marinha Grande | 1,150.47 mi (1,851.51 km) |
| Musselburgh to Massama | 1,221.37 mi (1,965.60 km) |
| Musselburgh to Matosinhos | 1,051.03 mi (1,691.47 km) |
| Musselburgh to Mealhada | 1,102.56 mi (1,774.40 km) |
| Musselburgh to Melgaco | 983.29 mi (1,582.46 km) |
| Musselburgh to Melres | 1,055.73 mi (1,699.04 km) |
| Musselburgh to Mira | 1,102.10 mi (1,773.66 km) |
| Musselburgh to Miranda do Corvo | 1,120.63 mi (1,803.47 km) |
| Musselburgh to Mirandela | 1,015.97 mi (1,635.05 km) |
| Musselburgh to Mogadouro | 1,022.76 mi (1,645.97 km) |
| Musselburgh to Moimenta da Beira | 1,054.12 mi (1,696.44 km) |
| Musselburgh to Moita | 1,225.54 mi (1,972.32 km) |
| Musselburgh to Moncao | 988.53 mi (1,590.88 km) |
