| Widnau to Mangualde | 980.67 mi (1,578.23 km) |
| Widnau to Marco de Canavezes | 975.73 mi (1,570.28 km) |
| Widnau to Marinha Grande | 1,065.23 mi (1,714.33 km) |
| Widnau to Massama | 1,121.18 mi (1,804.37 km) |
| Widnau to Matosinhos | 1,000.03 mi (1,609.39 km) |
| Widnau to Mealhada | 1,019.16 mi (1,640.18 km) |
| Widnau to Melgaco | 948.27 mi (1,526.09 km) |
| Widnau to Melres | 991.03 mi (1,594.91 km) |
| Widnau to Mira | 1,029.55 mi (1,656.90 km) |
| Widnau to Miranda do Corvo | 1,025.31 mi (1,650.07 km) |
| Widnau to Mirandela | 922.07 mi (1,483.93 km) |
| Widnau to Mogadouro | 907.39 mi (1,460.30 km) |
| Widnau to Moimenta da Beira | 959.81 mi (1,544.66 km) |
| Widnau to Moita | 1,113.50 mi (1,792.00 km) |
| Widnau to Moncao | 959.30 mi (1,543.85 km) |
