The calculated distance (air line) between Arroyomolinos and Navalcarnero is approximately 5 miles respectively 8 kilometers.
By car or train, the actual journey to Navalcarnero is certainly longer, as only the direct route (as the crow flies) between Arroyomolinos and Navalcarnero has been calculated here.
Air line (approximately)
8 kilometers
4 nautical miles