| Blythe to Mangualde | 5,513.89 mi (8,873.74 km) |
| Blythe to Marco de Canavezes | 5,474.02 mi (8,809.58 km) |
| Blythe to Marinha Grande | 5,498.02 mi (8,848.21 km) |
| Blythe to Massama | 5,522.85 mi (8,888.17 km) |
| Blythe to Matosinhos | 5,450.72 mi (8,772.09 km) |
| Blythe to Mealhada | 5,493.43 mi (8,840.82 km) |
| Blythe to Melgaco | 5,431.65 mi (8,741.39 km) |
| Blythe to Melres | 5,468.12 mi (8,800.08 km) |
| Blythe to Mira | 5,479.29 mi (8,818.06 km) |
| Blythe to Miranda do Corvo | 5,509.83 mi (8,867.22 km) |
| Blythe to Mirandela | 5,502.49 mi (8,855.40 km) |
| Blythe to Mogadouro | 5,528.13 mi (8,896.67 km) |
| Blythe to Moimenta da Beira | 5,504.90 mi (8,859.29 km) |
| Blythe to Moita | 5,539.94 mi (8,915.67 km) |
| Blythe to Moncao | 5,424.46 mi (8,729.83 km) |
