| Fall River to Mangualde | 3,218.27 mi (5,179.30 km) |
| Fall River to Marco de Canavezes | 3,183.95 mi (5,124.07 km) |
| Fall River to Marinha Grande | 3,184.99 mi (5,125.75 km) |
| Fall River to Massama | 3,196.21 mi (5,143.81 km) |
| Fall River to Matosinhos | 3,157.53 mi (5,081.56 km) |
| Fall River to Mealhada | 3,191.04 mi (5,135.48 km) |
| Fall River to Melgaco | 3,154.01 mi (5,075.88 km) |
| Fall River to Melres | 3,175.04 mi (5,109.74 km) |
| Fall River to Mira | 3,175.98 mi (5,111.24 km) |
| Fall River to Miranda do Corvo | 3,204.46 mi (5,157.07 km) |
| Fall River to Mirandela | 3,222.25 mi (5,185.71 km) |
| Fall River to Mogadouro | 3,248.53 mi (5,228.01 km) |
| Fall River to Moimenta da Beira | 3,215.16 mi (5,174.30 km) |
| Fall River to Moita | 3,213.58 mi (5,171.75 km) |
| Fall River to Moncao | 3,144.96 mi (5,061.32 km) |
