| Grants Pass to Mangualde | 5,432.28 mi (8,742.42 km) |
| Grants Pass to Marco de Canavezes | 5,389.15 mi (8,673.00 km) |
| Grants Pass to Marinha Grande | 5,433.20 mi (8,743.89 km) |
| Grants Pass to Massama | 5,470.61 mi (8,804.09 km) |
| Grants Pass to Matosinhos | 5,369.57 mi (8,641.49 km) |
| Grants Pass to Mealhada | 5,418.80 mi (8,720.71 km) |
| Grants Pass to Melgaco | 5,337.99 mi (8,590.67 km) |
| Grants Pass to Melres | 5,386.14 mi (8,668.15 km) |
| Grants Pass to Mira | 5,406.08 mi (8,700.24 km) |
| Grants Pass to Miranda do Corvo | 5,437.30 mi (8,750.49 km) |
| Grants Pass to Mirandela | 5,408.00 mi (8,703.33 km) |
| Grants Pass to Mogadouro | 5,432.01 mi (8,741.97 km) |
| Grants Pass to Moimenta da Beira | 5,418.47 mi (8,720.19 km) |
| Grants Pass to Moita | 5,486.75 mi (8,830.07 km) |
| Grants Pass to Moncao | 5,332.67 mi (8,582.10 km) |
