| Septemes-les-Vallons to Marco de Canavezes | 706.70 mi (1,137.32 km) |
| Septemes-les-Vallons to Marinha Grande | 779.70 mi (1,254.81 km) |
| Septemes-les-Vallons to Massama | 825.77 mi (1,328.95 km) |
| Septemes-les-Vallons to Matosinhos | 734.07 mi (1,181.37 km) |
| Septemes-les-Vallons to Mealhada | 739.50 mi (1,190.12 km) |
| Septemes-les-Vallons to Melgaco | 696.43 mi (1,120.80 km) |
| Septemes-les-Vallons to Melres | 721.51 mi (1,161.16 km) |
| Septemes-les-Vallons to Mira | 752.23 mi (1,210.60 km) |
| Septemes-les-Vallons to Miranda do Corvo | 741.00 mi (1,192.52 km) |
| Septemes-les-Vallons to Mirandela | 652.61 mi (1,050.28 km) |
| Septemes-les-Vallons to Mogadouro | 632.48 mi (1,017.88 km) |
| Septemes-les-Vallons to Moimenta da Beira | 684.36 mi (1,101.38 km) |
| Septemes-les-Vallons to Moita | 815.34 mi (1,312.16 km) |
| Septemes-les-Vallons to Moncao | 707.75 mi (1,139.02 km) |
| Septemes-les-Vallons to Montalegre | 677.12 mi (1,089.72 km) |
