| Orbetello to Arcozelo | 1,025.46 mi (1,650.32 km) |
| Orbetello to Arganil | 1,009.10 mi (1,623.99 km) |
| Orbetello to Arouca | 1,007.11 mi (1,620.79 km) |
| Orbetello to Arruda dos Vinhos | 1,085.77 mi (1,747.38 km) |
| Orbetello to Aveiro | 1,032.42 mi (1,661.51 km) |
| Orbetello to Aver-o-Mar | 1,027.35 mi (1,653.36 km) |
| Orbetello to Aves | 1,003.00 mi (1,614.18 km) |
| Orbetello to Azambuja | 1,073.74 mi (1,728.03 km) |
| Orbetello to Baiao | 993.00 mi (1,598.08 km) |
| Orbetello to Barcelos | 1,018.18 mi (1,638.60 km) |
| Orbetello to Barreiro | 1,093.16 mi (1,759.27 km) |
| Orbetello to Batalha | 1,057.92 mi (1,702.55 km) |
| Orbetello to Beja | 1,049.59 mi (1,689.15 km) |
| Orbetello to Belas | 1,100.96 mi (1,771.82 km) |
| Orbetello to Benavente | 1,072.63 mi (1,726.23 km) |
