| Washougal to Mangualde | 5,243.43 mi (8,438.49 km) |
| Washougal to Marco de Canavezes | 5,199.94 mi (8,368.50 km) |
| Washougal to Marinha Grande | 5,247.02 mi (8,444.27 km) |
| Washougal to Massama | 5,286.35 mi (8,507.56 km) |
| Washougal to Matosinhos | 5,181.01 mi (8,338.03 km) |
| Washougal to Mealhada | 5,231.09 mi (8,418.63 km) |
| Washougal to Melgaco | 5,147.60 mi (8,284.25 km) |
| Washougal to Melres | 5,197.39 mi (8,364.39 km) |
| Washougal to Mira | 5,218.65 mi (8,398.60 km) |
| Washougal to Miranda do Corvo | 5,249.87 mi (8,448.84 km) |
| Washougal to Mirandela | 5,217.23 mi (8,396.32 km) |
| Washougal to Mogadouro | 5,240.91 mi (8,434.43 km) |
| Washougal to Moimenta da Beira | 5,228.92 mi (8,415.13 km) |
| Washougal to Moita | 5,302.28 mi (8,533.19 km) |
| Washougal to Moncao | 5,142.58 mi (8,276.18 km) |
