The calculated distance (air line) between Ciudad Lineal and Alcalá de Henares is approximately 16 miles respectively 25 kilometers.
By car or train, the actual journey to Alcalá de Henares is certainly longer, as only the direct route (as the crow flies) between Ciudad Lineal and Alcalá de Henares has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles