The calculated distance (air line) between Staraya Kupavna and Chernogolovka is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Chernogolovka is certainly longer, as only the direct route (as the crow flies) between Staraya Kupavna and Chernogolovka has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles