| Friern Barnet to Mangualde | 842.21 mi (1,355.41 km) |
| Friern Barnet to Marco de Canavezes | 813.89 mi (1,309.83 km) |
| Friern Barnet to Marinha Grande | 921.07 mi (1,482.31 km) |
| Friern Barnet to Massama | 991.22 mi (1,595.22 km) |
| Friern Barnet to Matosinhos | 826.30 mi (1,329.81 km) |
| Friern Barnet to Mealhada | 870.68 mi (1,401.22 km) |
| Friern Barnet to Melgaco | 758.67 mi (1,220.96 km) |
| Friern Barnet to Melres | 826.72 mi (1,330.48 km) |
| Friern Barnet to Mira | 873.75 mi (1,406.16 km) |
| Friern Barnet to Miranda do Corvo | 886.09 mi (1,426.03 km) |
| Friern Barnet to Mirandela | 774.38 mi (1,246.24 km) |
| Friern Barnet to Mogadouro | 775.00 mi (1,247.25 km) |
| Friern Barnet to Moimenta da Beira | 815.32 mi (1,312.12 km) |
| Friern Barnet to Moita | 991.88 mi (1,596.27 km) |
| Friern Barnet to Moncao | 766.39 mi (1,233.39 km) |
