| Sumperk to Marco de Canavezes | 1,349.16 mi (2,171.26 km) |
| Sumperk to Marinha Grande | 1,441.23 mi (2,319.43 km) |
| Sumperk to Massama | 1,498.46 mi (2,411.53 km) |
| Sumperk to Matosinhos | 1,372.57 mi (2,208.93 km) |
| Sumperk to Mealhada | 1,394.36 mi (2,244.01 km) |
| Sumperk to Melgaco | 1,318.00 mi (2,121.12 km) |
| Sumperk to Melres | 1,364.43 mi (2,195.84 km) |
| Sumperk to Mira | 1,404.25 mi (2,259.92 km) |
| Sumperk to Miranda do Corvo | 1,401.28 mi (2,255.15 km) |
| Sumperk to Mirandela | 1,296.07 mi (2,085.82 km) |
| Sumperk to Mogadouro | 1,282.51 mi (2,063.99 km) |
| Sumperk to Moimenta da Beira | 1,334.63 mi (2,147.88 km) |
| Sumperk to Moita | 1,491.12 mi (2,399.73 km) |
| Sumperk to Moncao | 1,328.81 mi (2,138.51 km) |
| Sumperk to Montalegre | 1,308.81 mi (2,106.32 km) |
