| Wiehl to Marco de Canavezes | 1,006.47 mi (1,619.76 km) |
| Wiehl to Marinha Grande | 1,107.97 mi (1,783.11 km) |
| Wiehl to Massama | 1,172.58 mi (1,887.08 km) |
| Wiehl to Matosinhos | 1,025.99 mi (1,651.17 km) |
| Wiehl to Mealhada | 1,058.13 mi (1,702.89 km) |
| Wiehl to Melgaco | 964.24 mi (1,551.79 km) |
| Wiehl to Melres | 1,021.22 mi (1,643.49 km) |
| Wiehl to Mira | 1,065.38 mi (1,714.56 km) |
| Wiehl to Miranda do Corvo | 1,068.97 mi (1,720.35 km) |
| Wiehl to Mirandela | 957.24 mi (1,540.53 km) |
| Wiehl to Mogadouro | 949.20 mi (1,527.59 km) |
| Wiehl to Moimenta da Beira | 998.26 mi (1,606.55 km) |
| Wiehl to Moita | 1,168.63 mi (1,880.72 km) |
| Wiehl to Moncao | 974.13 mi (1,567.71 km) |
| Wiehl to Montalegre | 961.56 mi (1,547.48 km) |
