The calculated distance (air line) between Manresa and L'Ametlla del Vallès is approximately 23 miles respectively 37 kilometers.
By car or train, the actual journey to L'Ametlla del Vallès is certainly longer, as only the direct route (as the crow flies) between Manresa and L'Ametlla del Vallès has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles