| Santander to Amelia | 820.74 mi (1,320.85 km) |
| Santander to Anagni | 869.31 mi (1,399.02 km) |
| Santander to Ancona | 866.05 mi (1,393.78 km) |
| Santander to Andria | 1,035.85 mi (1,667.03 km) |
| Santander to Angri | 958.47 mi (1,542.51 km) |
| Santander to Anguillara Sabazia | 819.38 mi (1,318.66 km) |
| Santander to Anzio | 847.78 mi (1,364.37 km) |
| Santander to Anzola dell'Emilia | 748.18 mi (1,204.08 km) |
| Santander to Aosta | 568.67 mi (915.18 km) |
| Santander to Apricena | 982.98 mi (1,581.96 km) |
| Santander to Aprilia | 846.49 mi (1,362.30 km) |
| Santander to Aradeo | 1,149.64 mi (1,850.17 km) |
| Santander to Aragona | 1,004.89 mi (1,617.21 km) |
| Santander to Arco | 739.98 mi (1,190.88 km) |
| Santander to Arcola | 684.27 mi (1,101.22 km) |
