The calculated distance (air line) between Sant Quirze del Vallès and Sant Andreu de la Barca is approximately 8 miles respectively 13 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 Sant Quirze del Vallès and Sant Andreu de la Barca has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles