The calculated distance (air line) between Viladecans and Sant Adrià de Besòs is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Sant Adrià de Besòs is certainly longer, as only the direct route (as the crow flies) between Viladecans and Sant Adrià de Besòs has been calculated here.
Air line (approximately)
21 kilometers
12 nautical miles