The calculated distance (air line) between Sant Andreu de la Barca and Sant Joan Despí is approximately 7 miles respectively 11 kilometers.
By car or train, the actual journey to Sant Joan Despí is certainly longer, as only the direct route (as the crow flies) between Sant Andreu de la Barca and Sant Joan Despí has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles