| Passy to Marco de Canavezes | 810.29 mi (1,304.03 km) |
| Passy to Marinha Grande | 896.81 mi (1,443.28 km) |
| Passy to Massama | 951.15 mi (1,530.73 km) |
| Passy to Matosinhos | 835.42 mi (1,344.48 km) |
| Passy to Mealhada | 851.70 mi (1,370.68 km) |
| Passy to Melgaco | 786.67 mi (1,266.03 km) |
| Passy to Melres | 825.57 mi (1,328.63 km) |
| Passy to Mira | 862.62 mi (1,388.25 km) |
| Passy to Miranda do Corvo | 856.96 mi (1,379.15 km) |
| Passy to Mirandela | 756.20 mi (1,216.99 km) |
| Passy to Mogadouro | 740.29 mi (1,191.39 km) |
| Passy to Moimenta da Beira | 792.91 mi (1,276.07 km) |
| Passy to Moita | 943.01 mi (1,517.62 km) |
| Passy to Moncao | 797.87 mi (1,284.04 km) |
| Passy to Montalegre | 773.38 mi (1,244.63 km) |
