| Guymon to Mangualde | 4,805.38 mi (7,733.51 km) |
| Guymon to Marco de Canavezes | 4,767.30 mi (7,672.22 km) |
| Guymon to Marinha Grande | 4,783.01 mi (7,697.52 km) |
| Guymon to Massama | 4,802.84 mi (7,729.42 km) |
| Guymon to Matosinhos | 4,742.74 mi (7,632.70 km) |
| Guymon to Mealhada | 4,782.33 mi (7,696.42 km) |
| Guymon to Melgaco | 4,729.12 mi (7,610.78 km) |
| Guymon to Melres | 4,760.27 mi (7,660.92 km) |
| Guymon to Mira | 4,767.78 mi (7,672.99 km) |
| Guymon to Miranda do Corvo | 4,797.72 mi (7,721.19 km) |
| Guymon to Mirandela | 4,799.49 mi (7,724.03 km) |
| Guymon to Mogadouro | 4,825.52 mi (7,765.92 km) |
| Guymon to Moimenta da Beira | 4,798.48 mi (7,722.41 km) |
| Guymon to Moita | 4,820.10 mi (7,757.21 km) |
| Guymon to Moncao | 4,721.22 mi (7,598.08 km) |
