The calculated distance (air line) between Humanes de Madrid and Puente de Vallecas is approximately 13 miles respectively 21 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 Humanes de Madrid and Puente de Vallecas has been calculated here.
Air line (approximately)
21 kilometers
12 nautical miles