| Brock Hall to Mangualde | 3,569.21 mi (5,744.09 km) |
| Brock Hall to Marco de Canavezes | 3,535.51 mi (5,689.85 km) |
| Brock Hall to Marinha Grande | 3,534.12 mi (5,687.62 km) |
| Brock Hall to Massama | 3,543.51 mi (5,702.74 km) |
| Brock Hall to Matosinhos | 3,508.87 mi (5,646.98 km) |
| Brock Hall to Mealhada | 3,541.36 mi (5,699.27 km) |
| Brock Hall to Melgaco | 3,506.68 mi (5,643.46 km) |
| Brock Hall to Melres | 3,526.34 mi (5,675.10 km) |
| Brock Hall to Mira | 3,526.24 mi (5,674.94 km) |
| Brock Hall to Miranda do Corvo | 3,554.42 mi (5,720.29 km) |
| Brock Hall to Mirandela | 3,574.56 mi (5,752.69 km) |
| Brock Hall to Mogadouro | 3,600.83 mi (5,794.97 km) |
| Brock Hall to Moimenta da Beira | 3,566.66 mi (5,739.99 km) |
| Brock Hall to Moita | 3,560.87 mi (5,730.66 km) |
| Brock Hall to Moncao | 3,497.51 mi (5,628.70 km) |
