| Norfolk to Montalegre | 3,575.70 mi (5,754.53 km) |
| Norfolk to Montemor-o-Novo | 3,628.73 mi (5,839.87 km) |
| Norfolk to Montemor-o-Velho | 3,569.21 mi (5,744.09 km) |
| Norfolk to Montijo | 3,593.42 mi (5,783.06 km) |
| Norfolk to Mortagua | 3,585.41 mi (5,770.15 km) |
| Norfolk to Moura | 3,680.33 mi (5,922.93 km) |
| Norfolk to Murtosa | 3,558.74 mi (5,727.24 km) |
| Norfolk to Nazare | 3,563.23 mi (5,734.46 km) |
| Norfolk to Nelas | 3,602.46 mi (5,797.60 km) |
| Norfolk to Obidos | 3,564.33 mi (5,736.23 km) |
| Norfolk to Odemira | 3,634.16 mi (5,848.61 km) |
| Norfolk to Odivelas | 3,576.72 mi (5,756.17 km) |
| Norfolk to Oeiras | 3,572.36 mi (5,749.16 km) |
| Norfolk to Olhao | 3,688.87 mi (5,936.67 km) |
| Norfolk to Oliveira de Azemeis | 3,564.15 mi (5,735.95 km) |
