| North Valley to Montalegre | 5,051.09 mi (8,128.94 km) |
| North Valley to Montemor-o-Novo | 5,150.67 mi (8,289.20 km) |
| North Valley to Montemor-o-Velho | 5,073.13 mi (8,164.42 km) |
| North Valley to Montijo | 5,118.43 mi (8,237.32 km) |
| North Valley to Mortagua | 5,083.26 mi (8,180.72 km) |
| North Valley to Moura | 5,204.96 mi (8,376.57 km) |
| North Valley to Murtosa | 5,054.43 mi (8,134.33 km) |
| North Valley to Nazare | 5,076.90 mi (8,170.48 km) |
| North Valley to Nelas | 5,097.12 mi (8,203.02 km) |
| North Valley to Obidos | 5,081.73 mi (8,178.25 km) |
| North Valley to Odemira | 5,171.80 mi (8,323.21 km) |
| North Valley to Odivelas | 5,101.75 mi (8,210.47 km) |
| North Valley to Oeiras | 5,099.48 mi (8,206.82 km) |
| North Valley to Olhao | 5,229.33 mi (8,415.79 km) |
| North Valley to Oliveira de Azemeis | 5,057.50 mi (8,139.26 km) |
