| Diessen am Ammersee to Montemor-o-Novo | 1,159.55 mi (1,866.11 km) |
| Diessen am Ammersee to Montemor-o-Velho | 1,115.25 mi (1,794.83 km) |
| Diessen am Ammersee to Montijo | 1,186.53 mi (1,909.53 km) |
| Diessen am Ammersee to Mortagua | 1,085.26 mi (1,746.56 km) |
| Diessen am Ammersee to Moura | 1,151.58 mi (1,853.30 km) |
| Diessen am Ammersee to Murtosa | 1,090.87 mi (1,755.59 km) |
| Diessen am Ammersee to Nazare | 1,154.71 mi (1,858.32 km) |
| Diessen am Ammersee to Nelas | 1,065.46 mi (1,714.69 km) |
| Diessen am Ammersee to Obidos | 1,168.62 mi (1,880.71 km) |
| Diessen am Ammersee to Odemira | 1,224.97 mi (1,971.41 km) |
| Diessen am Ammersee to Odivelas | 1,193.63 mi (1,920.96 km) |
| Diessen am Ammersee to Oeiras | 1,204.01 mi (1,937.67 km) |
| Diessen am Ammersee to Olhao | 1,219.51 mi (1,962.60 km) |
| Diessen am Ammersee to Oliveira de Azemeis | 1,079.89 mi (1,737.92 km) |
| Diessen am Ammersee to Oliveira de Frades | 1,071.98 mi (1,725.18 km) |
