The calculated distance (air line) between Guissona and L'Hospitalet de Llobregat is approximately 51 miles respectively 82 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 Guissona and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles