The calculated distance (air line) between Sant Vicenç de Montalt and Mollet del Vallès is approximately 16 miles respectively 25 kilometers.
By car or train, the actual journey to Mollet del Vallès is certainly longer, as only the direct route (as the crow flies) between Sant Vicenç de Montalt and Mollet del Vallès has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles