The calculated distance (air line) between Casco Histórico de Barajas and Carabanchel is approximately 10 miles respectively 15 kilometers.
By car or train, the actual journey to Carabanchel is certainly longer, as only the direct route (as the crow flies) between Casco Histórico de Barajas and Carabanchel has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles