The calculated distance (air line) between Montmeló and L'Ametlla del Vallès is approximately 8 miles respectively 13 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 Montmeló and L'Ametlla del Vallès has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles