The calculated distance (air line) between Torrejón de la Calzada and Alcorcón is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Alcorcón is certainly longer, as only the direct route (as the crow flies) between Torrejón de la Calzada and Alcorcón has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles