| Aachen to Montemor-o-Novo | 1,089.21 mi (1,752.92 km) |
| Aachen to Montemor-o-Velho | 1,020.68 mi (1,642.62 km) |
| Aachen to Montijo | 1,108.84 mi (1,784.51 km) |
| Aachen to Mortagua | 991.42 mi (1,595.54 km) |
| Aachen to Moura | 1,095.65 mi (1,763.28 km) |
| Aachen to Murtosa | 988.94 mi (1,591.55 km) |
| Aachen to Nazare | 1,063.92 mi (1,712.22 km) |
| Aachen to Nelas | 974.28 mi (1,567.96 km) |
| Aachen to Obidos | 1,080.05 mi (1,738.18 km) |
| Aachen to Odemira | 1,162.83 mi (1,871.39 km) |
| Aachen to Odivelas | 1,111.89 mi (1,789.42 km) |
| Aachen to Oeiras | 1,122.24 mi (1,806.07 km) |
| Aachen to Olhao | 1,171.83 mi (1,885.88 km) |
| Aachen to Oliveira de Azemeis | 977.96 mi (1,573.87 km) |
| Aachen to Oliveira de Frades | 974.63 mi (1,568.52 km) |
