The calculated distance (air line) between Sant Vicenç de Montalt and Arenys de Mar is approximately 2 miles respectively 3 kilometers.
By car or train, the actual journey to Arenys de Mar is certainly longer, as only the direct route (as the crow flies) between Sant Vicenç de Montalt and Arenys de Mar has been calculated here.
Air line (approximately)
3 kilometers
2 nautical miles