| Bron to Marco de Canavezes | 725.68 mi (1,167.87 km) |
| Bron to Marinha Grande | 813.77 mi (1,309.63 km) |
| Bron to Massama | 869.42 mi (1,399.20 km) |
| Bron to Matosinhos | 750.53 mi (1,207.86 km) |
| Bron to Mealhada | 768.05 mi (1,236.06 km) |
| Bron to Melgaco | 700.99 mi (1,128.13 km) |
| Bron to Melres | 740.98 mi (1,192.49 km) |
| Bron to Mira | 778.69 mi (1,253.19 km) |
| Bron to Miranda do Corvo | 773.86 mi (1,245.41 km) |
| Bron to Mirandela | 671.75 mi (1,081.08 km) |
| Bron to Mogadouro | 656.41 mi (1,056.39 km) |
| Bron to Moimenta da Beira | 708.95 mi (1,140.95 km) |
| Bron to Moita | 861.76 mi (1,386.88 km) |
| Bron to Moncao | 712.16 mi (1,146.10 km) |
| Bron to Montalegre | 688.16 mi (1,107.48 km) |
