| Wheat Ridge to Mangualde | 4,837.47 mi (7,785.15 km) |
| Wheat Ridge to Marco de Canavezes | 4,797.66 mi (7,721.08 km) |
| Wheat Ridge to Marinha Grande | 4,821.56 mi (7,759.55 km) |
| Wheat Ridge to Massama | 4,846.59 mi (7,799.84 km) |
| Wheat Ridge to Matosinhos | 4,774.31 mi (7,683.51 km) |
| Wheat Ridge to Mealhada | 4,816.95 mi (7,752.14 km) |
| Wheat Ridge to Melgaco | 4,755.51 mi (7,653.26 km) |
| Wheat Ridge to Melres | 4,791.71 mi (7,711.52 km) |
| Wheat Ridge to Mira | 4,802.81 mi (7,729.37 km) |
| Wheat Ridge to Miranda do Corvo | 4,833.35 mi (7,778.53 km) |
| Wheat Ridge to Mirandela | 4,826.34 mi (7,767.24 km) |
| Wheat Ridge to Mogadouro | 4,852.01 mi (7,808.55 km) |
| Wheat Ridge to Moimenta da Beira | 4,828.56 mi (7,770.82 km) |
| Wheat Ridge to Moita | 4,863.66 mi (7,827.31 km) |
| Wheat Ridge to Moncao | 4,748.28 mi (7,641.62 km) |
