The calculated distance (air line) between Llucmajor and L'Hospitalet de Llobregat is approximately 136 miles respectively 218 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 Llucmajor and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles