The calculated distance (air line) between Hortaleza and Torrejón de Ardoz is approximately 9 miles respectively 15 kilometers.
By car or train, the actual journey to Torrejón de Ardoz is certainly longer, as only the direct route (as the crow flies) between Hortaleza and Torrejón de Ardoz has been calculated here.
Air line (approximately)
15 kilometers
8 nautical miles