| Orsova to Arcos de Valdevez | 1,553.13 mi (2,499.51 km) |
| Orsova to Arcozelo | 1,581.54 mi (2,545.24 km) |
| Orsova to Arganil | 1,573.14 mi (2,531.72 km) |
| Orsova to Arouca | 1,565.02 mi (2,518.66 km) |
| Orsova to Arruda dos Vinhos | 1,655.90 mi (2,664.92 km) |
| Orsova to Aveiro | 1,592.09 mi (2,562.22 km) |
| Orsova to Aver-o-Mar | 1,579.95 mi (2,542.68 km) |
| Orsova to Aves | 1,556.15 mi (2,504.38 km) |
| Orsova to Azambuja | 1,643.75 mi (2,645.36 km) |
| Orsova to Baiao | 1,549.23 mi (2,493.24 km) |
| Orsova to Barcelos | 1,569.98 mi (2,526.64 km) |
| Orsova to Barreiro | 1,664.94 mi (2,679.47 km) |
| Orsova to Batalha | 1,624.52 mi (2,614.42 km) |
| Orsova to Beja | 1,625.86 mi (2,616.56 km) |
| Orsova to Belas | 1,671.86 mi (2,690.59 km) |
