| Bad Nenndorf to Montemor-o-Novo | 1,266.26 mi (2,037.85 km) |
| Bad Nenndorf to Montemor-o-Velho | 1,198.56 mi (1,928.89 km) |
| Bad Nenndorf to Montijo | 1,286.31 mi (2,070.11 km) |
| Bad Nenndorf to Mortagua | 1,169.27 mi (1,881.76 km) |
| Bad Nenndorf to Moura | 1,271.67 mi (2,046.56 km) |
| Bad Nenndorf to Murtosa | 1,166.88 mi (1,877.91 km) |
| Bad Nenndorf to Nazare | 1,241.76 mi (1,998.42 km) |
| Bad Nenndorf to Nelas | 1,152.06 mi (1,854.06 km) |
| Bad Nenndorf to Obidos | 1,257.85 mi (2,024.32 km) |
| Bad Nenndorf to Odemira | 1,339.49 mi (2,155.70 km) |
| Bad Nenndorf to Odivelas | 1,289.52 mi (2,075.28 km) |
| Bad Nenndorf to Oeiras | 1,299.88 mi (2,091.95 km) |
| Bad Nenndorf to Olhao | 1,347.31 mi (2,168.29 km) |
| Bad Nenndorf to Oliveira de Azemeis | 1,155.89 mi (1,860.23 km) |
| Bad Nenndorf to Oliveira de Frades | 1,152.53 mi (1,854.81 km) |
