| Luton to Mangualde | 853.37 mi (1,373.36 km) |
| Luton to Marco de Canavezes | 824.28 mi (1,326.54 km) |
| Luton to Marinha Grande | 931.51 mi (1,499.13 km) |
| Luton to Massama | 1,001.87 mi (1,612.36 km) |
| Luton to Matosinhos | 836.09 mi (1,345.56 km) |
| Luton to Mealhada | 881.24 mi (1,418.23 km) |
| Luton to Melgaco | 768.26 mi (1,236.39 km) |
| Luton to Melres | 836.91 mi (1,346.88 km) |
| Luton to Mira | 883.99 mi (1,422.65 km) |
| Luton to Miranda do Corvo | 896.94 mi (1,443.49 km) |
| Luton to Mirandela | 785.65 mi (1,264.37 km) |
| Luton to Mogadouro | 786.88 mi (1,266.36 km) |
| Luton to Moimenta da Beira | 826.41 mi (1,329.98 km) |
| Luton to Moita | 1,002.85 mi (1,613.93 km) |
| Luton to Moncao | 775.77 mi (1,248.48 km) |
