The calculated distance (air line) between Benaguasil and L'Hospitalet de Llobregat is approximately 186 miles respectively 300 kilometers.
By car or train, the actual journey to L'Hospitalet de Llobregat is certainly longer, as only the direct route (as the crow flies) between Benaguasil and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
300 kilometers
162 nautical miles