The calculated distance (air line) between Chamberí and Torrejón de Ardoz is approximately 12 miles respectively 20 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 Chamberí and Torrejón de Ardoz has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles