| Santander to Ardahan | 2,351.69 mi (3,784.68 km) |
| Santander to Ardesen | 2,265.58 mi (3,646.09 km) |
| Santander to Arhavi | 2,277.87 mi (3,665.88 km) |
| Santander to Aricak | 2,288.67 mi (3,683.27 km) |
| Santander to Armutlu | 1,677.26 mi (2,699.29 km) |
| Santander to Arnavutkoy | 1,659.35 mi (2,670.47 km) |
| Santander to Arpacay | 2,388.77 mi (3,844.35 km) |
| Santander to Arsin | 2,219.43 mi (3,571.83 km) |
| Santander to Arsuz | 2,137.05 mi (3,439.25 km) |
| Santander to Artvin | 2,306.69 mi (3,712.27 km) |
| Santander to Asagicinik | 2,035.59 mi (3,275.96 km) |
| Santander to Asarcik | 2,036.67 mi (3,277.70 km) |
| Santander to Askale | 2,281.52 mi (3,671.75 km) |
| Santander to Aslanapa | 1,758.88 mi (2,830.65 km) |
| Santander to Atca | 1,710.47 mi (2,752.74 km) |
