| Sangeorz-Bai to Mangualde | 1,665.55 mi (2,680.44 km) |
| Sangeorz-Bai to Marco de Canavezes | 1,665.81 mi (2,680.86 km) |
| Sangeorz-Bai to Marinha Grande | 1,747.87 mi (2,812.92 km) |
| Sangeorz-Bai to Massama | 1,797.60 mi (2,892.97 km) |
| Sangeorz-Bai to Matosinhos | 1,691.52 mi (2,722.24 km) |
| Sangeorz-Bai to Mealhada | 1,704.71 mi (2,743.47 km) |
| Sangeorz-Bai to Melgaco | 1,643.97 mi (2,645.72 km) |
| Sangeorz-Bai to Melres | 1,681.04 mi (2,705.36 km) |
| Sangeorz-Bai to Mira | 1,716.34 mi (2,762.19 km) |
| Sangeorz-Bai to Miranda do Corvo | 1,708.40 mi (2,749.41 km) |
| Sangeorz-Bai to Mirandela | 1,611.49 mi (2,593.45 km) |
| Sangeorz-Bai to Mogadouro | 1,594.31 mi (2,565.79 km) |
| Sangeorz-Bai to Moimenta da Beira | 1,646.96 mi (2,650.52 km) |
| Sangeorz-Bai to Moita | 1,787.82 mi (2,877.21 km) |
| Sangeorz-Bai to Moncao | 1,655.18 mi (2,663.75 km) |
