The calculated distance (air line) between Arroyomolinos and Puente de Vallecas is approximately 16 miles respectively 26 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 Arroyomolinos and Puente de Vallecas has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles