The calculated distance (air line) between Villa de Vallecas and Barajas de Madrid is approximately 7 miles respectively 12 kilometers.
By car or train, the actual journey to Barajas de Madrid is certainly longer, as only the direct route (as the crow flies) between Villa de Vallecas and Barajas de Madrid has been calculated here.
Air line (approximately)
12 kilometers
6 nautical miles