The calculated distance (air line) between Sant Andreu de la Barca and Castellbisbal is approximately 2 miles respectively 3 kilometers.
By car or train, the actual journey to Castellbisbal is certainly longer, as only the direct route (as the crow flies) between Sant Andreu de la Barca and Castellbisbal has been calculated here.
Air line (approximately)
3 kilometers
2 nautical miles