| Braintree to Mangualde | 873.02 mi (1,404.99 km) |
| Braintree to Marco de Canavezes | 845.40 mi (1,360.55 km) |
| Braintree to Marinha Grande | 952.49 mi (1,532.89 km) |
| Braintree to Massama | 1,022.45 mi (1,645.48 km) |
| Braintree to Matosinhos | 858.30 mi (1,381.31 km) |
| Braintree to Mealhada | 902.01 mi (1,451.65 km) |
| Braintree to Melgaco | 790.85 mi (1,272.75 km) |
| Braintree to Melres | 858.40 mi (1,381.45 km) |
| Braintree to Mira | 905.36 mi (1,457.04 km) |
| Braintree to Miranda do Corvo | 917.17 mi (1,476.05 km) |
| Braintree to Mirandela | 805.12 mi (1,295.71 km) |
| Braintree to Mogadouro | 805.14 mi (1,295.74 km) |
| Braintree to Moimenta da Beira | 846.20 mi (1,361.82 km) |
| Braintree to Moita | 1,022.81 mi (1,646.05 km) |
| Braintree to Moncao | 798.73 mi (1,285.44 km) |
