The calculated distance (air line) between Staraya Kupavna and Shchyolkovo is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Shchyolkovo is certainly longer, as only the direct route (as the crow flies) between Staraya Kupavna and Shchyolkovo has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles