The calculated distance (air line) between Monzón and L'Hospitalet de Llobregat is approximately 106 miles respectively 170 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 Monzón and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
170 kilometers
92 nautical miles