| Oberriet to Mangualde | 975.60 mi (1,570.07 km) |
| Oberriet to Marco de Canavezes | 970.86 mi (1,562.44 km) |
| Oberriet to Marinha Grande | 1,060.11 mi (1,706.08 km) |
| Oberriet to Massama | 1,115.90 mi (1,795.86 km) |
| Oberriet to Matosinhos | 995.22 mi (1,601.66 km) |
| Oberriet to Mealhada | 1,014.12 mi (1,632.07 km) |
| Oberriet to Melgaco | 943.68 mi (1,518.70 km) |
| Oberriet to Melres | 986.16 mi (1,587.07 km) |
| Oberriet to Mira | 1,024.56 mi (1,648.87 km) |
| Oberriet to Miranda do Corvo | 1,020.19 mi (1,641.84 km) |
| Oberriet to Mirandela | 917.16 mi (1,476.02 km) |
| Oberriet to Mogadouro | 902.37 mi (1,452.22 km) |
| Oberriet to Moimenta da Beira | 954.82 mi (1,536.63 km) |
| Oberriet to Moita | 1,108.16 mi (1,783.41 km) |
| Oberriet to Moncao | 954.72 mi (1,536.48 km) |
