| Haverhill to Mangualde | 882.82 mi (1,420.77 km) |
| Haverhill to Marco de Canavezes | 854.75 mi (1,375.58 km) |
| Haverhill to Marinha Grande | 961.90 mi (1,548.03 km) |
| Haverhill to Massama | 1,031.99 mi (1,660.83 km) |
| Haverhill to Matosinhos | 867.30 mi (1,395.78 km) |
| Haverhill to Mealhada | 911.48 mi (1,466.88 km) |
| Haverhill to Melgaco | 799.70 mi (1,287.00 km) |
| Haverhill to Melres | 867.63 mi (1,396.31 km) |
| Haverhill to Mira | 914.64 mi (1,471.97 km) |
| Haverhill to Miranda do Corvo | 926.81 mi (1,491.55 km) |
| Haverhill to Mirandela | 814.96 mi (1,311.55 km) |
| Haverhill to Mogadouro | 815.33 mi (1,312.14 km) |
| Haverhill to Moimenta da Beira | 855.95 mi (1,377.52 km) |
| Haverhill to Moita | 1,032.54 mi (1,661.71 km) |
| Haverhill to Moncao | 807.46 mi (1,299.49 km) |
