The calculated distance (air line) between Sant Adrià de Besòs and Sant Andreu is approximately 2 miles respectively 2 kilometers.
By car or train, the actual journey to Sant Andreu is certainly longer, as only the direct route (as the crow flies) between Sant Adrià de Besòs and Sant Andreu has been calculated here.
Air line (approximately)
2 kilometers
1 nautical miles