The calculated distance (air line) between Alcanar and L'Hospitalet de Llobregat is approximately 102 miles respectively 164 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 Alcanar and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
164 kilometers
88 nautical miles