The calculated distance (air line) between Sant Cugat del Vallès and Sant Just Desvern is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Sant Just Desvern is certainly longer, as only the direct route (as the crow flies) between Sant Cugat del Vallès and Sant Just Desvern has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles