| Oupeye to Marco de Canavezes | 931.07 mi (1,498.41 km) |
| Oupeye to Marinha Grande | 1,033.82 mi (1,663.77 km) |
| Oupeye to Massama | 1,099.48 mi (1,769.45 km) |
| Oupeye to Matosinhos | 949.77 mi (1,528.51 km) |
| Oupeye to Mealhada | 983.66 mi (1,583.05 km) |
| Oupeye to Melgaco | 887.00 mi (1,427.49 km) |
| Oupeye to Melres | 945.64 mi (1,521.86 km) |
| Oupeye to Mira | 990.39 mi (1,593.87 km) |
| Oupeye to Miranda do Corvo | 995.18 mi (1,601.59 km) |
| Oupeye to Mirandela | 882.82 mi (1,420.76 km) |
| Oupeye to Mogadouro | 875.90 mi (1,409.63 km) |
| Oupeye to Moimenta da Beira | 924.08 mi (1,487.16 km) |
| Oupeye to Moita | 1,096.17 mi (1,764.12 km) |
| Oupeye to Moncao | 896.69 mi (1,443.09 km) |
| Oupeye to Montalegre | 885.53 mi (1,425.12 km) |
