The calculated distance (air line) between Vallirana and L'Hospitalet de Llobregat is approximately 9 miles respectively 14 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 Vallirana and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles