The calculated distance (air line) between Sant Vicenç de Montalt and El Masnou is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to El Masnou is certainly longer, as only the direct route (as the crow flies) between Sant Vicenç de Montalt and El Masnou has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles