The calculated distance (air line) between Mengibar and Puente de Vallecas is approximately 168 miles respectively 270 kilometers.
By car or train, the actual journey to Puente de Vallecas is certainly longer, as only the direct route (as the crow flies) between Mengibar and Puente de Vallecas has been calculated here.
Air line (approximately)
270 kilometers
146 nautical miles