| Abbots Langley to Mangualde | 842.45 mi (1,355.78 km) |
| Abbots Langley to Marco de Canavezes | 813.59 mi (1,309.35 km) |
| Abbots Langley to Marinha Grande | 920.82 mi (1,481.91 km) |
| Abbots Langley to Massama | 991.11 mi (1,595.04 km) |
| Abbots Langley to Matosinhos | 825.61 mi (1,328.68 km) |
| Abbots Langley to Mealhada | 870.51 mi (1,400.94 km) |
| Abbots Langley to Melgaco | 757.83 mi (1,219.61 km) |
| Abbots Langley to Melres | 826.29 mi (1,329.79 km) |
| Abbots Langley to Mira | 873.36 mi (1,405.53 km) |
| Abbots Langley to Miranda do Corvo | 886.12 mi (1,426.07 km) |
| Abbots Langley to Mirandela | 774.69 mi (1,246.74 km) |
| Abbots Langley to Mogadouro | 775.74 mi (1,248.43 km) |
| Abbots Langley to Moimenta da Beira | 815.51 mi (1,312.43 km) |
| Abbots Langley to Moita | 991.99 mi (1,596.45 km) |
| Abbots Langley to Moncao | 765.42 mi (1,231.82 km) |
