| Melfi to Marco de Canavezes | 1,235.51 mi (1,988.37 km) |
| Melfi to Marinha Grande | 1,292.59 mi (2,080.22 km) |
| Melfi to Massama | 1,326.08 mi (2,134.12 km) |
| Melfi to Matosinhos | 1,263.87 mi (2,034.01 km) |
| Melfi to Mealhada | 1,259.27 mi (2,026.60 km) |
| Melfi to Melgaco | 1,234.88 mi (1,987.35 km) |
| Melfi to Melres | 1,249.47 mi (2,010.82 km) |
| Melfi to Mira | 1,273.37 mi (2,049.30 km) |
| Melfi to Miranda do Corvo | 1,256.69 mi (2,022.46 km) |
| Melfi to Mirandela | 1,183.20 mi (1,904.17 km) |
| Melfi to Mogadouro | 1,160.36 mi (1,867.42 km) |
| Melfi to Moimenta da Beira | 1,209.66 mi (1,946.76 km) |
| Melfi to Moita | 1,312.77 mi (2,112.69 km) |
| Melfi to Moncao | 1,246.02 mi (2,005.28 km) |
| Melfi to Montalegre | 1,212.27 mi (1,950.97 km) |
