| Eastham to Mangualde | 906.26 mi (1,458.49 km) |
| Eastham to Marco de Canavezes | 872.10 mi (1,403.52 km) |
| Eastham to Marinha Grande | 978.30 mi (1,574.42 km) |
| Eastham to Massama | 1,049.31 mi (1,688.70 km) |
| Eastham to Matosinhos | 879.52 mi (1,415.45 km) |
| Eastham to Mealhada | 929.54 mi (1,495.95 km) |
| Eastham to Melgaco | 811.38 mi (1,305.78 km) |
| Eastham to Melres | 883.18 mi (1,421.33 km) |
| Eastham to Mira | 929.95 mi (1,496.61 km) |
| Eastham to Miranda do Corvo | 947.06 mi (1,524.14 km) |
| Eastham to Mirandela | 840.33 mi (1,352.37 km) |
| Eastham to Mogadouro | 845.89 mi (1,361.32 km) |
| Eastham to Moimenta da Beira | 879.26 mi (1,415.03 km) |
| Eastham to Moita | 1,052.62 mi (1,694.03 km) |
| Eastham to Moncao | 817.28 mi (1,315.28 km) |
