| Bryn to Mangualde | 922.17 mi (1,484.10 km) |
| Bryn to Marco de Canavezes | 888.28 mi (1,429.55 km) |
| Bryn to Marinha Grande | 994.59 mi (1,600.65 km) |
| Bryn to Massama | 1,065.61 mi (1,714.93 km) |
| Bryn to Matosinhos | 895.93 mi (1,441.86 km) |
| Bryn to Mealhada | 945.73 mi (1,522.01 km) |
| Bryn to Melgaco | 827.76 mi (1,332.15 km) |
| Bryn to Melres | 899.44 mi (1,447.52 km) |
| Bryn to Mira | 946.27 mi (1,522.87 km) |
| Bryn to Miranda do Corvo | 963.16 mi (1,550.05 km) |
| Bryn to Mirandela | 856.08 mi (1,377.72 km) |
| Bryn to Mogadouro | 861.37 mi (1,386.24 km) |
| Bryn to Moimenta da Beira | 895.15 mi (1,440.61 km) |
| Bryn to Moita | 1,068.79 mi (1,720.06 km) |
| Bryn to Moncao | 833.74 mi (1,341.78 km) |
