| Whitehall to Mangualde | 3,829.57 mi (6,163.10 km) |
| Whitehall to Marco de Canavezes | 3,793.95 mi (6,105.77 km) |
| Whitehall to Marinha Grande | 3,799.71 mi (6,115.05 km) |
| Whitehall to Massama | 3,813.61 mi (6,137.41 km) |
| Whitehall to Matosinhos | 3,768.08 mi (6,064.14 km) |
| Whitehall to Mealhada | 3,803.64 mi (6,121.36 km) |
| Whitehall to Melgaco | 3,761.19 mi (6,053.05 km) |
| Whitehall to Melres | 3,785.64 mi (6,092.40 km) |
| Whitehall to Mira | 3,788.71 mi (6,097.34 km) |
| Whitehall to Miranda do Corvo | 3,817.71 mi (6,144.02 km) |
| Whitehall to Mirandela | 3,830.32 mi (6,164.31 km) |
| Whitehall to Mogadouro | 3,856.59 mi (6,206.58 km) |
| Whitehall to Moimenta da Beira | 3,825.22 mi (6,156.10 km) |
| Whitehall to Moita | 3,830.97 mi (6,165.34 km) |
| Whitehall to Moncao | 3,752.51 mi (6,039.08 km) |
