| Dyer to Mangualde | 3,995.63 mi (6,430.35 km) |
| Dyer to Marco de Canavezes | 3,958.37 mi (6,370.38 km) |
| Dyer to Marinha Grande | 3,970.77 mi (6,390.34 km) |
| Dyer to Massama | 3,988.85 mi (6,419.44 km) |
| Dyer to Matosinhos | 3,933.32 mi (6,330.07 km) |
| Dyer to Mealhada | 3,971.58 mi (6,391.63 km) |
| Dyer to Melgaco | 3,922.13 mi (6,312.06 km) |
| Dyer to Melres | 3,950.89 mi (6,358.34 km) |
| Dyer to Mira | 3,956.88 mi (6,367.99 km) |
| Dyer to Miranda do Corvo | 3,986.55 mi (6,415.73 km) |
| Dyer to Mirandela | 3,992.12 mi (6,424.70 km) |
| Dyer to Mogadouro | 4,018.27 mi (6,466.78 km) |
| Dyer to Moimenta da Beira | 3,989.62 mi (6,420.68 km) |
| Dyer to Moita | 4,006.15 mi (6,447.28 km) |
| Dyer to Moncao | 3,913.93 mi (6,298.87 km) |
