The calculated distance (air line) between Gràcia and Sant Andreu de la Barca is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Sant Andreu de la Barca is certainly longer, as only the direct route (as the crow flies) between Gràcia and Sant Andreu de la Barca has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles