The calculated distance (air line) between Horta-Guinardó and Sant Quirze del Vallès is approximately 9 miles respectively 15 kilometers.
By car or train, the actual journey to Sant Quirze del Vallès is certainly longer, as only the direct route (as the crow flies) between Horta-Guinardó and Sant Quirze del Vallès has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles