The calculated distance (air line) between Mollet del Vallès and Sant Quirze del Vallès is approximately 7 miles respectively 11 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 Mollet del Vallès and Sant Quirze del Vallès has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles