The calculated distance (air line) between Valencia and Cornellà de Llobregat is approximately 183 miles respectively 295 kilometers.
By car or train, the actual journey to Cornellà de Llobregat is certainly longer, as only the direct route (as the crow flies) between Valencia and Cornellà de Llobregat has been calculated here.
Air line (approximately)
295 kilometers
159 nautical miles