| Rio Rico to Mangualde | 5,454.03 mi (8,777.41 km) |
| Rio Rico to Marco de Canavezes | 5,415.56 mi (8,715.51 km) |
| Rio Rico to Marinha Grande | 5,432.80 mi (8,743.25 km) |
| Rio Rico to Massama | 5,453.33 mi (8,776.29 km) |
| Rio Rico to Matosinhos | 5,391.25 mi (8,676.37 km) |
| Rio Rico to Mealhada | 5,431.45 mi (8,741.08 km) |
| Rio Rico to Melgaco | 5,376.45 mi (8,652.57 km) |
| Rio Rico to Melres | 5,408.77 mi (8,704.57 km) |
| Rio Rico to Mira | 5,416.97 mi (8,717.77 km) |
| Rio Rico to Miranda do Corvo | 5,447.03 mi (8,766.16 km) |
| Rio Rico to Mirandela | 5,446.97 mi (8,766.05 km) |
| Rio Rico to Mogadouro | 5,472.93 mi (8,807.83 km) |
| Rio Rico to Moimenta da Beira | 5,446.70 mi (8,765.62 km) |
| Rio Rico to Moita | 5,470.58 mi (8,804.05 km) |
| Rio Rico to Moncao | 5,368.71 mi (8,640.11 km) |
