The calculated distance (air line) between Staraya Kupavna and Udel’naya is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Udel’naya is certainly longer, as only the direct route (as the crow flies) between Staraya Kupavna and Udel’naya has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles