| Melksham to Mangualde | 790.79 mi (1,272.65 km) |
| Melksham to Marco de Canavezes | 759.56 mi (1,222.40 km) |
| Melksham to Marinha Grande | 866.70 mi (1,394.82 km) |
| Melksham to Massama | 937.48 mi (1,508.73 km) |
| Melksham to Matosinhos | 769.75 mi (1,238.79 km) |
| Melksham to Mealhada | 816.89 mi (1,314.65 km) |
| Melksham to Melgaco | 701.57 mi (1,129.07 km) |
| Melksham to Melres | 771.64 mi (1,241.83 km) |
| Melksham to Mira | 818.74 mi (1,317.63 km) |
| Melksham to Miranda do Corvo | 833.35 mi (1,341.15 km) |
| Melksham to Mirandela | 723.60 mi (1,164.52 km) |
| Melksham to Mogadouro | 726.73 mi (1,169.56 km) |
| Melksham to Moimenta da Beira | 763.73 mi (1,229.10 km) |
| Melksham to Moita | 939.37 mi (1,511.78 km) |
| Melksham to Moncao | 708.53 mi (1,140.26 km) |
