| Weener to Marco de Canavezes | 1,098.07 mi (1,767.17 km) |
| Weener to Marinha Grande | 1,202.81 mi (1,935.73 km) |
| Weener to Massama | 1,270.09 mi (2,044.01 km) |
| Weener to Matosinhos | 1,114.97 mi (1,794.37 km) |
| Weener to Mealhada | 1,152.27 mi (1,854.39 km) |
| Weener to Melgaco | 1,050.11 mi (1,689.99 km) |
| Weener to Melres | 1,112.22 mi (1,789.95 km) |
| Weener to Mira | 1,157.97 mi (1,863.57 km) |
| Weener to Miranda do Corvo | 1,164.96 mi (1,874.82 km) |
| Weener to Mirandela | 1,051.96 mi (1,692.97 km) |
| Weener to Mogadouro | 1,047.00 mi (1,684.98 km) |
| Weener to Moimenta da Beira | 1,093.45 mi (1,759.74 km) |
| Weener to Moita | 1,267.81 mi (2,040.35 km) |
| Weener to Moncao | 1,059.22 mi (1,704.65 km) |
| Weener to Montalegre | 1,051.45 mi (1,692.15 km) |
