The calculated distance (air line) between Sant Joan de Vilatorrada and Sant Quirze del Vallès is approximately 21 miles respectively 33 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 Sant Joan de Vilatorrada and Sant Quirze del Vallès has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles