The calculated distance (air line) between Gasteiz / Vitoria and Majadahonda is approximately 175 miles respectively 282 kilometers.
By car or train, the actual journey to Majadahonda is certainly longer, as only the direct route (as the crow flies) between Gasteiz / Vitoria and Majadahonda has been calculated here.
Air line (approximately)
282 kilometers
152 nautical miles