| North Valley to Mangualde | 5,097.78 mi (8,204.08 km) |
| North Valley to Marco de Canavezes | 5,059.12 mi (8,141.87 km) |
| North Valley to Marinha Grande | 5,077.35 mi (8,171.21 km) |
| North Valley to Massama | 5,098.67 mi (8,205.51 km) |
| North Valley to Matosinhos | 5,034.93 mi (8,102.94 km) |
| North Valley to Mealhada | 5,075.50 mi (8,168.23 km) |
| North Valley to Melgaco | 5,019.63 mi (8,078.31 km) |
| North Valley to Melres | 5,052.44 mi (8,131.12 km) |
| North Valley to Mira | 5,061.06 mi (8,144.99 km) |
| North Valley to Miranda do Corvo | 5,091.21 mi (8,193.51 km) |
| North Valley to Mirandela | 5,090.19 mi (8,191.88 km) |
| North Valley to Mogadouro | 5,116.12 mi (8,233.61 km) |
| North Valley to Moimenta da Beira | 5,090.24 mi (8,191.95 km) |
| North Valley to Moita | 5,115.89 mi (8,233.22 km) |
| North Valley to Moncao | 5,011.95 mi (8,065.95 km) |
