The calculated distance (air line) between Arroyomolinos and Ciempozuelos is approximately 18 miles respectively 28 kilometers.
By car or train, the actual journey to Ciempozuelos is certainly longer, as only the direct route (as the crow flies) between Arroyomolinos and Ciempozuelos has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles