| Ribera to Marco de Canavezes | 1,169.07 mi (1,881.44 km) |
| Ribera to Marinha Grande | 1,205.15 mi (1,939.50 km) |
| Ribera to Massama | 1,225.04 mi (1,971.51 km) |
| Ribera to Matosinhos | 1,197.55 mi (1,927.27 km) |
| Ribera to Mealhada | 1,180.75 mi (1,900.24 km) |
| Ribera to Melgaco | 1,182.93 mi (1,903.75 km) |
| Ribera to Melres | 1,181.29 mi (1,901.11 km) |
| Ribera to Mira | 1,195.80 mi (1,924.46 km) |
| Ribera to Miranda do Corvo | 1,173.82 mi (1,889.09 km) |
| Ribera to Mirandela | 1,121.53 mi (1,804.93 km) |
| Ribera to Mogadouro | 1,096.27 mi (1,764.28 km) |
| Ribera to Moimenta da Beira | 1,139.93 mi (1,834.53 km) |
| Ribera to Moita | 1,209.74 mi (1,946.89 km) |
| Ribera to Moncao | 1,193.32 mi (1,920.47 km) |
| Ribera to Montalegre | 1,155.88 mi (1,860.21 km) |
