| Mildenhall to Mangualde | 900.21 mi (1,448.75 km) |
| Mildenhall to Marco de Canavezes | 871.86 mi (1,403.13 km) |
| Mildenhall to Marinha Grande | 979.05 mi (1,575.63 km) |
| Mildenhall to Massama | 1,049.22 mi (1,688.56 km) |
| Mildenhall to Matosinhos | 884.20 mi (1,422.98 km) |
| Mildenhall to Mealhada | 928.67 mi (1,494.55 km) |
| Mildenhall to Melgaco | 816.52 mi (1,314.06 km) |
| Mildenhall to Melres | 884.68 mi (1,423.75 km) |
| Mildenhall to Mira | 931.71 mi (1,499.44 km) |
| Mildenhall to Miranda do Corvo | 944.10 mi (1,519.38 km) |
| Mildenhall to Mirandela | 832.37 mi (1,339.58 km) |
| Mildenhall to Mogadouro | 832.94 mi (1,340.48 km) |
| Mildenhall to Moimenta da Beira | 873.32 mi (1,405.47 km) |
| Mildenhall to Moita | 1,049.88 mi (1,689.62 km) |
| Mildenhall to Moncao | 824.20 mi (1,326.42 km) |
