| Sandviken to Mangualde | 1,730.61 mi (2,785.15 km) |
| Sandviken to Marco de Canavezes | 1,705.61 mi (2,744.92 km) |
| Sandviken to Marinha Grande | 1,812.14 mi (2,916.35 km) |
| Sandviken to Massama | 1,881.18 mi (3,027.46 km) |
| Sandviken to Matosinhos | 1,719.87 mi (2,767.86 km) |
| Sandviken to Mealhada | 1,761.48 mi (2,834.82 km) |
| Sandviken to Melgaco | 1,652.94 mi (2,660.14 km) |
| Sandviken to Melres | 1,719.06 mi (2,766.56 km) |
| Sandviken to Mira | 1,765.73 mi (2,841.68 km) |
| Sandviken to Miranda do Corvo | 1,775.64 mi (2,857.62 km) |
| Sandviken to Mirandela | 1,662.73 mi (2,675.90 km) |
| Sandviken to Mogadouro | 1,660.24 mi (2,671.89 km) |
| Sandviken to Moimenta da Beira | 1,704.17 mi (2,742.60 km) |
| Sandviken to Moita | 1,880.33 mi (3,026.09 km) |
| Sandviken to Moncao | 1,661.12 mi (2,673.32 km) |
