| Orsta to Arcozelo | 1,583.63 mi (2,548.61 km) |
| Orsta to Arganil | 1,629.85 mi (2,622.98 km) |
| Orsta to Arouca | 1,585.45 mi (2,551.54 km) |
| Orsta to Arruda dos Vinhos | 1,727.05 mi (2,779.42 km) |
| Orsta to Aveiro | 1,611.60 mi (2,593.62 km) |
| Orsta to Aver-o-Mar | 1,562.81 mi (2,515.10 km) |
| Orsta to Aves | 1,552.95 mi (2,499.24 km) |
| Orsta to Azambuja | 1,718.44 mi (2,765.56 km) |
| Orsta to Baiao | 1,566.81 mi (2,521.54 km) |
| Orsta to Barcelos | 1,552.95 mi (2,499.23 km) |
| Orsta to Barreiro | 1,748.00 mi (2,813.14 km) |
| Orsta to Batalha | 1,678.83 mi (2,701.82 km) |
| Orsta to Beja | 1,772.56 mi (2,852.66 km) |
| Orsta to Belas | 1,744.00 mi (2,806.69 km) |
| Orsta to Benavente | 1,724.04 mi (2,774.57 km) |
