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