| Bilbao to Arcos de Valdevez | 296.09 mi (476.51 km) |
| Bilbao to Arcozelo | 329.82 mi (530.79 km) |
| Bilbao to Arganil | 337.60 mi (543.32 km) |
| Bilbao to Arouca | 316.44 mi (509.26 km) |
| Bilbao to Arruda dos Vinhos | 435.01 mi (700.07 km) |
| Bilbao to Aveiro | 345.51 mi (556.05 km) |
| Bilbao to Aver-o-Mar | 324.77 mi (522.67 km) |
| Bilbao to Aves | 301.80 mi (485.71 km) |
| Bilbao to Azambuja | 423.33 mi (681.29 km) |
| Bilbao to Baiao | 298.64 mi (480.62 km) |
| Bilbao to Barcelos | 314.35 mi (505.89 km) |
| Bilbao to Barreiro | 450.66 mi (725.27 km) |
| Bilbao to Batalha | 393.16 mi (632.73 km) |
| Bilbao to Beja | 444.63 mi (715.57 km) |
| Bilbao to Belas | 452.95 mi (728.96 km) |
