| Isbergues to Marco de Canavezes | 826.22 mi (1,329.67 km) |
| Isbergues to Marinha Grande | 931.56 mi (1,499.20 km) |
| Isbergues to Massama | 999.52 mi (1,608.57 km) |
| Isbergues to Matosinhos | 842.59 mi (1,356.01 km) |
| Isbergues to Mealhada | 880.94 mi (1,417.73 km) |
| Isbergues to Melgaco | 777.39 mi (1,251.09 km) |
| Isbergues to Melres | 840.22 mi (1,352.20 km) |
| Isbergues to Mira | 886.23 mi (1,426.26 km) |
| Isbergues to Miranda do Corvo | 894.14 mi (1,438.98 km) |
| Isbergues to Mirandela | 781.05 mi (1,256.98 km) |
| Isbergues to Mogadouro | 777.18 mi (1,250.75 km) |
| Isbergues to Moimenta da Beira | 822.57 mi (1,323.80 km) |
| Isbergues to Moita | 997.84 mi (1,605.87 km) |
| Isbergues to Moncao | 786.42 mi (1,265.62 km) |
| Isbergues to Montalegre | 779.33 mi (1,254.21 km) |
