| Senica to Mangualde | 1,347.32 mi (2,168.30 km) |
| Senica to Marco de Canavezes | 1,343.28 mi (2,161.79 km) |
| Senica to Marinha Grande | 1,431.51 mi (2,303.78 km) |
| Senica to Massama | 1,485.98 mi (2,391.46 km) |
| Senica to Matosinhos | 1,367.75 mi (2,201.17 km) |
| Senica to Mealhada | 1,385.99 mi (2,230.54 km) |
| Senica to Melgaco | 1,316.12 mi (2,118.10 km) |
| Senica to Melres | 1,358.58 mi (2,186.42 km) |
| Senica to Mira | 1,396.63 mi (2,247.66 km) |
| Senica to Miranda do Corvo | 1,391.63 mi (2,239.61 km) |
| Senica to Mirandela | 1,289.49 mi (2,075.23 km) |
| Senica to Mogadouro | 1,274.36 mi (2,050.88 km) |
| Senica to Moimenta da Beira | 1,326.88 mi (2,135.41 km) |
| Senica to Moita | 1,477.69 mi (2,378.12 km) |
| Senica to Moncao | 1,327.15 mi (2,135.83 km) |
