| Highgate to Mangualde | 840.00 mi (1,351.85 km) |
| Highgate to Marco de Canavezes | 811.76 mi (1,306.40 km) |
| Highgate to Marinha Grande | 918.93 mi (1,478.87 km) |
| Highgate to Massama | 989.06 mi (1,591.74 km) |
| Highgate to Matosinhos | 824.23 mi (1,326.48 km) |
| Highgate to Mealhada | 868.52 mi (1,397.75 km) |
| Highgate to Melgaco | 756.62 mi (1,217.67 km) |
| Highgate to Melres | 824.61 mi (1,327.08 km) |
| Highgate to Mira | 871.63 mi (1,402.75 km) |
| Highgate to Miranda do Corvo | 883.91 mi (1,422.52 km) |
| Highgate to Mirandela | 772.16 mi (1,242.67 km) |
| Highgate to Mogadouro | 772.72 mi (1,243.57 km) |
| Highgate to Moimenta da Beira | 813.11 mi (1,308.58 km) |
| Highgate to Moita | 989.68 mi (1,592.74 km) |
| Highgate to Moncao | 764.37 mi (1,230.14 km) |
