| Bilbao to Ardahan | 2,311.50 mi (3,719.99 km) |
| Bilbao to Ardesen | 2,225.12 mi (3,580.99 km) |
| Bilbao to Arhavi | 2,237.57 mi (3,601.03 km) |
| Bilbao to Aricak | 2,246.38 mi (3,615.20 km) |
| Bilbao to Armutlu | 1,634.19 mi (2,629.97 km) |
| Bilbao to Arnavutkoy | 1,616.76 mi (2,601.93 km) |
| Bilbao to Arpacay | 2,348.51 mi (3,779.56 km) |
| Bilbao to Arsin | 2,178.61 mi (3,506.14 km) |
| Bilbao to Arsuz | 2,092.88 mi (3,368.16 km) |
| Bilbao to Artvin | 2,266.39 mi (3,647.40 km) |
| Bilbao to Asagicinik | 1,994.37 mi (3,209.62 km) |
| Bilbao to Asarcik | 1,995.25 mi (3,211.05 km) |
| Bilbao to Askale | 2,240.16 mi (3,605.19 km) |
| Bilbao to Aslanapa | 1,715.13 mi (2,760.23 km) |
| Bilbao to Atca | 1,665.70 mi (2,680.69 km) |
