| Saint-Sebastien-sur-Loire to Arcozelo | 552.70 mi (889.49 km) |
| Saint-Sebastien-sur-Loire to Arganil | 582.92 mi (938.12 km) |
| Saint-Sebastien-sur-Loire to Arouca | 547.27 mi (880.75 km) |
| Saint-Sebastien-sur-Loire to Arruda dos Vinhos | 683.83 mi (1,100.52 km) |
| Saint-Sebastien-sur-Loire to Aveiro | 576.48 mi (927.76 km) |
| Saint-Sebastien-sur-Loire to Aver-o-Mar | 538.00 mi (865.83 km) |
| Saint-Sebastien-sur-Loire to Aves | 520.89 mi (838.29 km) |
| Saint-Sebastien-sur-Loire to Azambuja | 673.34 mi (1,083.64 km) |
| Saint-Sebastien-sur-Loire to Baiao | 527.77 mi (849.36 km) |
| Saint-Sebastien-sur-Loire to Barcelos | 526.97 mi (848.08 km) |
| Saint-Sebastien-sur-Loire to Barreiro | 702.60 mi (1,130.73 km) |
| Saint-Sebastien-sur-Loire to Batalha | 637.20 mi (1,025.47 km) |
| Saint-Sebastien-sur-Loire to Beja | 711.54 mi (1,145.11 km) |
| Saint-Sebastien-sur-Loire to Belas | 701.83 mi (1,129.49 km) |
| Saint-Sebastien-sur-Loire to Benavente | 677.45 mi (1,090.26 km) |
