| Bilbao to Zottegem | 613.09 mi (986.67 km) |
| Bilbao to Zulte | 607.36 mi (977.45 km) |
| Bilbao to Zwevegem | 598.21 mi (962.73 km) |
| Bilbao to Zwijndrecht | 646.10 mi (1,039.79 km) |
| Bilbao to Asenovgrad | 1,408.65 mi (2,267.00 km) |
| Bilbao to Aytos | 1,517.42 mi (2,442.05 km) |
| Bilbao to Balchik | 1,552.91 mi (2,499.17 km) |
| Bilbao to Bankya | 1,312.38 mi (2,112.07 km) |
| Bilbao to Bansko | 1,342.41 mi (2,160.39 km) |
| Bilbao to Berkovitsa | 1,305.25 mi (2,100.60 km) |
| Bilbao to Blagoevgrad | 1,319.74 mi (2,123.92 km) |
| Bilbao to Botevgrad | 1,342.72 mi (2,160.89 km) |
| Bilbao to Burgas | 1,531.22 mi (2,464.27 km) |
| Bilbao to Byala Slatina | 1,343.30 mi (2,161.83 km) |
| Bilbao to Chirpan | 1,428.74 mi (2,299.34 km) |
