The calculated distance (air line) between Sant Vicenç de Montalt and L'Hospitalet de Llobregat is approximately 26 miles respectively 42 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 Sant Vicenç de Montalt and L'Hospitalet de Llobregat has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles