| Walker Mill to Mangualde | 3,575.53 mi (5,754.26 km) |
| Walker Mill to Marco de Canavezes | 3,541.79 mi (5,699.96 km) |
| Walker Mill to Marinha Grande | 3,540.55 mi (5,697.96 km) |
| Walker Mill to Massama | 3,550.03 mi (5,713.22 km) |
| Walker Mill to Matosinhos | 3,515.17 mi (5,657.12 km) |
| Walker Mill to Mealhada | 3,547.72 mi (5,709.51 km) |
| Walker Mill to Melgaco | 3,512.88 mi (5,653.44 km) |
| Walker Mill to Melres | 3,532.64 mi (5,685.24 km) |
| Walker Mill to Mira | 3,532.61 mi (5,685.18 km) |
| Walker Mill to Miranda do Corvo | 3,560.80 mi (5,730.56 km) |
| Walker Mill to Mirandela | 3,580.79 mi (5,762.72 km) |
| Walker Mill to Mogadouro | 3,607.06 mi (5,805.00 km) |
| Walker Mill to Moimenta da Beira | 3,572.95 mi (5,750.11 km) |
| Walker Mill to Moita | 3,567.38 mi (5,741.15 km) |
| Walker Mill to Moncao | 3,503.72 mi (5,638.69 km) |
