The calculated distance (air line) between Calella and Arenys de Munt is approximately 6 miles respectively 10 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 Calella and Arenys de Munt has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles