The calculated distance (air line) between Tortosa and L'Hospitalet de Llobregat is approximately 90 miles respectively 146 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 Tortosa and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles