The calculated distance (air line) between Zaragoza and Cerdanyola del Vallès is approximately 156 miles respectively 252 kilometers.
By car or train, the actual journey to Cerdanyola del Vallès is certainly longer, as only the direct route (as the crow flies) between Zaragoza and Cerdanyola del Vallès has been calculated here.
Air line (approximately)
252 kilometers
136 nautical miles