The calculated distance (air line) between Esplugues de Llobregat and Castellbisbal is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Castellbisbal is certainly longer, as only the direct route (as the crow flies) between Esplugues de Llobregat and Castellbisbal has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles