| Little Bookham to Mangualde | 817.28 mi (1,315.29 km) |
| Little Bookham to Marco de Canavezes | 789.08 mi (1,269.89 km) |
| Little Bookham to Marinha Grande | 896.24 mi (1,442.36 km) |
| Little Bookham to Massama | 966.36 mi (1,555.21 km) |
| Little Bookham to Matosinhos | 801.61 mi (1,290.06 km) |
| Little Bookham to Mealhada | 845.83 mi (1,361.23 km) |
| Little Bookham to Melgaco | 734.02 mi (1,181.29 km) |
| Little Bookham to Melres | 801.94 mi (1,290.60 km) |
| Little Bookham to Mira | 848.96 mi (1,366.26 km) |
| Little Bookham to Miranda do Corvo | 861.20 mi (1,385.97 km) |
| Little Bookham to Mirandela | 749.44 mi (1,206.11 km) |
| Little Bookham to Mogadouro | 750.01 mi (1,207.02 km) |
| Little Bookham to Moimenta da Beira | 790.40 mi (1,272.02 km) |
| Little Bookham to Moita | 966.97 mi (1,556.18 km) |
| Little Bookham to Moncao | 741.80 mi (1,193.81 km) |
