| Tonyrefail to Mangualde | 786.13 mi (1,265.16 km) |
| Tonyrefail to Marco de Canavezes | 752.59 mi (1,211.18 km) |
| Tonyrefail to Marinha Grande | 859.11 mi (1,382.61 km) |
| Tonyrefail to Massama | 930.12 mi (1,496.88 km) |
| Tonyrefail to Matosinhos | 760.74 mi (1,224.29 km) |
| Tonyrefail to Mealhada | 810.05 mi (1,303.65 km) |
| Tonyrefail to Melgaco | 692.50 mi (1,114.48 km) |
| Tonyrefail to Melres | 763.92 mi (1,229.42 km) |
| Tonyrefail to Mira | 810.83 mi (1,304.90 km) |
| Tonyrefail to Miranda do Corvo | 827.33 mi (1,331.46 km) |
| Tonyrefail to Mirandela | 719.92 mi (1,158.60 km) |
| Tonyrefail to Mogadouro | 725.12 mi (1,166.97 km) |
| Tonyrefail to Moimenta da Beira | 759.10 mi (1,221.65 km) |
| Tonyrefail to Moita | 933.07 mi (1,501.64 km) |
| Tonyrefail to Moncao | 698.71 mi (1,124.46 km) |
