The calculated distance (air line) between Sarrià-Sant Gervasi and Pallejà is approximately 8 miles respectively 12 kilometers.
By car or train, the actual journey to Pallejà is certainly longer, as only the direct route (as the crow flies) between Sarrià-Sant Gervasi and Pallejà has been calculated here.
Air line (approximately)
12 kilometers
7 nautical miles