| Arnstadt to Montemor-o-Novo | 1,255.33 mi (2,020.26 km) |
| Arnstadt to Montemor-o-Velho | 1,196.53 mi (1,925.63 km) |
| Arnstadt to Montijo | 1,278.33 mi (2,057.28 km) |
| Arnstadt to Mortagua | 1,166.70 mi (1,877.63 km) |
| Arnstadt to Moura | 1,255.32 mi (2,020.24 km) |
| Arnstadt to Murtosa | 1,167.49 mi (1,878.89 km) |
| Arnstadt to Nazare | 1,238.58 mi (1,993.31 km) |
| Arnstadt to Nelas | 1,148.30 mi (1,848.01 km) |
| Arnstadt to Obidos | 1,253.92 mi (2,018.00 km) |
| Arnstadt to Odemira | 1,325.88 mi (2,133.80 km) |
| Arnstadt to Odivelas | 1,283.14 mi (2,065.02 km) |
| Arnstadt to Oeiras | 1,293.59 mi (2,081.83 km) |
| Arnstadt to Olhao | 1,328.29 mi (2,137.67 km) |
| Arnstadt to Oliveira de Azemeis | 1,156.40 mi (1,861.05 km) |
| Arnstadt to Oliveira de Frades | 1,151.19 mi (1,852.67 km) |
