The calculated distance (air line) between Rubí and Olesa de Montserrat is approximately 8 miles respectively 13 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 Rubí and Olesa de Montserrat has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles