| Sint-Lievens-Houtem to Marco de Canavezes | 883.35 mi (1,421.61 km) |
| Sint-Lievens-Houtem to Marinha Grande | 987.93 mi (1,589.92 km) |
| Sint-Lievens-Houtem to Massama | 1,055.16 mi (1,698.11 km) |
| Sint-Lievens-Houtem to Matosinhos | 900.53 mi (1,449.27 km) |
| Sint-Lievens-Houtem to Mealhada | 937.41 mi (1,508.61 km) |
| Sint-Lievens-Houtem to Melgaco | 836.06 mi (1,345.52 km) |
| Sint-Lievens-Houtem to Melres | 897.56 mi (1,444.49 km) |
| Sint-Lievens-Houtem to Mira | 943.20 mi (1,517.94 km) |
| Sint-Lievens-Houtem to Miranda do Corvo | 950.04 mi (1,528.94 km) |
| Sint-Lievens-Houtem to Mirandela | 837.05 mi (1,347.11 km) |
| Sint-Lievens-Houtem to Mogadouro | 832.09 mi (1,339.12 km) |
| Sint-Lievens-Houtem to Moimenta da Beira | 878.54 mi (1,413.88 km) |
| Sint-Lievens-Houtem to Moita | 1,052.91 mi (1,694.49 km) |
| Sint-Lievens-Houtem to Moncao | 845.32 mi (1,360.41 km) |
| Sint-Lievens-Houtem to Montalegre | 836.86 mi (1,346.80 km) |
