| Donauworth to Montemor-o-Novo | 1,171.60 mi (1,885.51 km) |
| Donauworth to Montemor-o-Velho | 1,122.77 mi (1,806.92 km) |
| Donauworth to Montijo | 1,197.42 mi (1,927.06 km) |
| Donauworth to Mortagua | 1,092.74 mi (1,758.59 km) |
| Donauworth to Moura | 1,166.11 mi (1,876.67 km) |
| Donauworth to Murtosa | 1,096.91 mi (1,765.31 km) |
| Donauworth to Nazare | 1,163.11 mi (1,871.84 km) |
| Donauworth to Nelas | 1,073.31 mi (1,727.32 km) |
| Donauworth to Obidos | 1,177.49 mi (1,894.98 km) |
| Donauworth to Odemira | 1,238.77 mi (1,993.60 km) |
| Donauworth to Odivelas | 1,203.84 mi (1,937.39 km) |
| Donauworth to Oeiras | 1,214.26 mi (1,954.17 km) |
| Donauworth to Olhao | 1,235.76 mi (1,988.77 km) |
| Donauworth to Oliveira de Azemeis | 1,085.87 mi (1,747.54 km) |
| Donauworth to Oliveira de Frades | 1,078.75 mi (1,736.07 km) |
