| Bilbao to Curtea de Arges | 1,366.79 mi (2,199.63 km) |
| Bilbao to Dabuleni | 1,347.82 mi (2,169.11 km) |
| Bilbao to Darabani | 1,454.08 mi (2,340.11 km) |
| Bilbao to Darmanesti | 1,448.61 mi (2,331.32 km) |
| Bilbao to Dej | 1,321.74 mi (2,127.13 km) |
| Bilbao to Deva | 1,278.94 mi (2,058.26 km) |
| Bilbao to Dolhasca | 1,453.66 mi (2,339.44 km) |
| Bilbao to Dorohoi | 1,444.72 mi (2,325.05 km) |
| Bilbao to Draganesti-Olt | 1,366.13 mi (2,198.58 km) |
| Bilbao to Dragasani | 1,349.22 mi (2,171.36 km) |
| Bilbao to Drobeta-Turnu Severin | 1,270.54 mi (2,044.73 km) |
| Bilbao to Fagaras | 1,378.07 mi (2,217.79 km) |
| Bilbao to Falticeni | 1,439.23 mi (2,316.21 km) |
| Bilbao to Fetesti | 1,525.47 mi (2,455.00 km) |
| Bilbao to Filiasi | 1,314.71 mi (2,115.82 km) |
