The calculated distance (air line) between Cervelló and Olesa de Montserrat is approximately 11 miles respectively 17 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 Cervelló and Olesa de Montserrat has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles