| Weston-super-Mare to Mangualde | 776.50 mi (1,249.65 km) |
| Weston-super-Mare to Marco de Canavezes | 743.91 mi (1,197.20 km) |
| Weston-super-Mare to Marinha Grande | 850.76 mi (1,369.16 km) |
| Weston-super-Mare to Massama | 921.70 mi (1,483.33 km) |
| Weston-super-Mare to Matosinhos | 752.93 mi (1,211.73 km) |
| Weston-super-Mare to Mealhada | 801.35 mi (1,289.64 km) |
| Weston-super-Mare to Melgaco | 684.67 mi (1,101.87 km) |
| Weston-super-Mare to Melres | 755.56 mi (1,215.96 km) |
| Weston-super-Mare to Mira | 802.58 mi (1,291.63 km) |
| Weston-super-Mare to Miranda do Corvo | 818.29 mi (1,316.91 km) |
| Weston-super-Mare to Mirandela | 709.83 mi (1,142.36 km) |
| Weston-super-Mare to Mogadouro | 714.19 mi (1,149.38 km) |
| Weston-super-Mare to Moimenta da Beira | 749.43 mi (1,206.09 km) |
| Weston-super-Mare to Moita | 924.21 mi (1,487.37 km) |
| Weston-super-Mare to Moncao | 691.21 mi (1,112.39 km) |
