The calculated distance (air line) between Pallejà and Olesa de Montserrat is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Olesa de Montserrat is certainly longer, as only the direct route (as the crow flies) between Pallejà and Olesa de Montserrat has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles