The calculated distance (air line) between Mataró and Sant Andreu de Llavaneres is approximately 3 miles respectively 4 kilometers.
By car or train, the actual journey to Sant Andreu de Llavaneres is certainly longer, as only the direct route (as the crow flies) between Mataró and Sant Andreu de Llavaneres has been calculated here.
Air line (approximately)
4 kilometers
2 nautical miles