| Shrewsbury to Mangualde | 868.81 mi (1,398.22 km) |
| Shrewsbury to Marco de Canavezes | 835.37 mi (1,344.40 km) |
| Shrewsbury to Marinha Grande | 941.90 mi (1,515.84 km) |
| Shrewsbury to Massama | 1,012.90 mi (1,630.11 km) |
| Shrewsbury to Matosinhos | 843.51 mi (1,357.50 km) |
| Shrewsbury to Mealhada | 892.83 mi (1,436.87 km) |
| Shrewsbury to Melgaco | 775.28 mi (1,247.69 km) |
| Shrewsbury to Melres | 846.71 mi (1,362.65 km) |
| Shrewsbury to Mira | 893.62 mi (1,438.14 km) |
| Shrewsbury to Miranda do Corvo | 910.09 mi (1,464.65 km) |
| Shrewsbury to Mirandela | 802.50 mi (1,291.50 km) |
| Shrewsbury to Mogadouro | 807.46 mi (1,299.47 km) |
| Shrewsbury to Moimenta da Beira | 841.77 mi (1,354.70 km) |
| Shrewsbury to Moita | 1,015.85 mi (1,634.85 km) |
| Shrewsbury to Moncao | 781.46 mi (1,257.64 km) |
