The calculated distance (air line) between Sant Boi de Llobregat and Sant Adrià de Besòs is approximately 11 miles respectively 18 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 Sant Boi de Llobregat and Sant Adrià de Besòs has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles