| North Augusta to Montalegre | 3,970.51 mi (6,389.92 km) |
| North Augusta to Montemor-o-Novo | 4,019.92 mi (6,469.44 km) |
| North Augusta to Montemor-o-Velho | 3,962.14 mi (6,376.45 km) |
| North Augusta to Montijo | 3,984.40 mi (6,412.28 km) |
| North Augusta to Mortagua | 3,978.77 mi (6,403.21 km) |
| North Augusta to Moura | 4,071.14 mi (6,551.86 km) |
| North Augusta to Murtosa | 3,952.31 mi (6,360.64 km) |
| North Augusta to Nazare | 3,955.35 mi (6,365.53 km) |
| North Augusta to Nelas | 3,996.02 mi (6,430.97 km) |
| North Augusta to Obidos | 3,956.12 mi (6,366.75 km) |
| North Augusta to Odemira | 4,023.65 mi (6,475.44 km) |
| North Augusta to Odivelas | 3,967.74 mi (6,385.45 km) |
| North Augusta to Oeiras | 3,963.18 mi (6,378.12 km) |
| North Augusta to Olhao | 4,077.88 mi (6,562.72 km) |
| North Augusta to Oliveira de Azemeis | 3,957.88 mi (6,369.59 km) |
