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