| Stamford to Mangualde | 900.33 mi (1,448.94 km) |
| Stamford to Marco de Canavezes | 870.17 mi (1,400.40 km) |
| Stamford to Marinha Grande | 977.40 mi (1,572.97 km) |
| Stamford to Massama | 1,048.00 mi (1,686.60 km) |
| Stamford to Matosinhos | 881.09 mi (1,417.98 km) |
| Stamford to Mealhada | 927.35 mi (1,492.42 km) |
| Stamford to Melgaco | 813.02 mi (1,308.43 km) |
| Stamford to Melres | 882.51 mi (1,420.26 km) |
| Stamford to Mira | 929.62 mi (1,496.08 km) |
| Stamford to Miranda do Corvo | 943.44 mi (1,518.32 km) |
| Stamford to Mirandela | 832.81 mi (1,340.29 km) |
| Stamford to Mogadouro | 834.87 mi (1,343.59 km) |
| Stamford to Moimenta da Beira | 873.31 mi (1,405.46 km) |
| Stamford to Moita | 1,049.45 mi (1,688.92 km) |
| Stamford to Moncao | 820.21 mi (1,320.00 km) |
