| Cheshunt to Mangualde | 850.16 mi (1,368.20 km) |
| Cheshunt to Marco de Canavezes | 821.90 mi (1,322.73 km) |
| Cheshunt to Marinha Grande | 929.08 mi (1,495.21 km) |
| Cheshunt to Massama | 999.22 mi (1,608.09 km) |
| Cheshunt to Matosinhos | 834.36 mi (1,342.77 km) |
| Cheshunt to Mealhada | 878.68 mi (1,414.10 km) |
| Cheshunt to Melgaco | 766.74 mi (1,233.94 km) |
| Cheshunt to Melres | 834.75 mi (1,343.40 km) |
| Cheshunt to Mira | 881.77 mi (1,419.08 km) |
| Cheshunt to Miranda do Corvo | 894.07 mi (1,438.87 km) |
| Cheshunt to Mirandela | 782.32 mi (1,259.03 km) |
| Cheshunt to Mogadouro | 782.88 mi (1,259.93 km) |
| Cheshunt to Moimenta da Beira | 823.27 mi (1,324.93 km) |
| Cheshunt to Moita | 999.84 mi (1,609.09 km) |
| Cheshunt to Moncao | 774.47 mi (1,246.39 km) |
