The calculated distance (air line) between Cabrils and Arenys de Munt is approximately 11 miles respectively 17 kilometers.
By car or train, the actual journey to Arenys de Munt is certainly longer, as only the direct route (as the crow flies) between Cabrils and Arenys de Munt has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles