| Riorges to Marco de Canavezes | 695.07 mi (1,118.61 km) |
| Riorges to Marinha Grande | 786.05 mi (1,265.03 km) |
| Riorges to Massama | 843.72 mi (1,357.84 km) |
| Riorges to Matosinhos | 719.19 mi (1,157.43 km) |
| Riorges to Mealhada | 739.33 mi (1,189.84 km) |
| Riorges to Melgaco | 667.45 mi (1,074.16 km) |
| Riorges to Melres | 710.37 mi (1,143.24 km) |
| Riorges to Mira | 749.42 mi (1,206.07 km) |
| Riorges to Miranda do Corvo | 746.11 mi (1,200.75 km) |
| Riorges to Mirandela | 641.59 mi (1,032.53 km) |
| Riorges to Mogadouro | 627.48 mi (1,009.83 km) |
| Riorges to Moimenta da Beira | 679.73 mi (1,093.92 km) |
| Riorges to Moita | 836.80 mi (1,346.69 km) |
| Riorges to Moncao | 678.51 mi (1,091.96 km) |
| Riorges to Montalegre | 656.08 mi (1,055.86 km) |
