| Grand Junction to Mangualde | 5,012.74 mi (8,067.22 km) |
| Grand Junction to Marco de Canavezes | 4,972.52 mi (8,002.49 km) |
| Grand Junction to Marinha Grande | 4,998.48 mi (8,044.28 km) |
| Grand Junction to Massama | 5,024.75 mi (8,086.56 km) |
| Grand Junction to Matosinhos | 4,949.51 mi (7,965.47 km) |
| Grand Junction to Mealhada | 4,992.90 mi (8,035.29 km) |
| Grand Junction to Melgaco | 4,929.36 mi (7,933.03 km) |
| Grand Junction to Melres | 4,966.86 mi (7,993.39 km) |
| Grand Junction to Mira | 4,978.87 mi (8,012.72 km) |
| Grand Junction to Miranda do Corvo | 5,009.53 mi (8,062.07 km) |
| Grand Junction to Mirandela | 5,000.23 mi (8,047.10 km) |
| Grand Junction to Mogadouro | 5,025.78 mi (8,088.21 km) |
| Grand Junction to Moimenta da Beira | 5,003.32 mi (8,052.06 km) |
| Grand Junction to Moita | 5,041.76 mi (8,113.93 km) |
| Grand Junction to Moncao | 4,922.31 mi (7,921.69 km) |
