| North Decatur to Montalegre | 4,073.88 mi (6,556.27 km) |
| North Decatur to Montemor-o-Novo | 4,128.65 mi (6,644.42 km) |
| North Decatur to Montemor-o-Velho | 4,068.66 mi (6,547.88 km) |
| North Decatur to Montijo | 4,093.38 mi (6,587.66 km) |
| North Decatur to Mortagua | 4,084.66 mi (6,573.62 km) |
| North Decatur to Moura | 4,180.31 mi (6,727.56 km) |
| North Decatur to Murtosa | 4,057.88 mi (6,530.53 km) |
| North Decatur to Nazare | 4,062.96 mi (6,538.70 km) |
| North Decatur to Nelas | 4,101.60 mi (6,600.89 km) |
| North Decatur to Obidos | 4,064.14 mi (6,540.61 km) |
| North Decatur to Odemira | 4,134.19 mi (6,653.33 km) |
| North Decatur to Odivelas | 4,076.67 mi (6,560.77 km) |
| North Decatur to Oeiras | 4,072.34 mi (6,553.80 km) |
| North Decatur to Olhao | 4,188.89 mi (6,741.36 km) |
| North Decatur to Oliveira de Azemeis | 4,063.20 mi (6,539.09 km) |
