| Oswestry to Mangualde | 875.15 mi (1,408.41 km) |
| Oswestry to Marco de Canavezes | 841.18 mi (1,353.75 km) |
| Oswestry to Marinha Grande | 947.48 mi (1,524.82 km) |
| Oswestry to Massama | 1,018.49 mi (1,639.10 km) |
| Oswestry to Matosinhos | 848.81 mi (1,366.03 km) |
| Oswestry to Mealhada | 898.63 mi (1,446.20 km) |
| Oswestry to Melgaco | 780.64 mi (1,256.31 km) |
| Oswestry to Melres | 852.33 mi (1,371.69 km) |
| Oswestry to Mira | 899.15 mi (1,447.04 km) |
| Oswestry to Miranda do Corvo | 916.07 mi (1,474.28 km) |
| Oswestry to Mirandela | 809.12 mi (1,302.15 km) |
| Oswestry to Mogadouro | 814.55 mi (1,310.89 km) |
| Oswestry to Moimenta da Beira | 848.13 mi (1,364.93 km) |
| Oswestry to Moita | 1,021.69 mi (1,644.26 km) |
| Oswestry to Moncao | 786.62 mi (1,265.95 km) |
