The calculated distance (air line) between Dzerzhinskiy and Kotel’niki is approximately 2 miles respectively 3 kilometers.
By car or train, the actual journey to Kotel’niki is certainly longer, as only the direct route (as the crow flies) between Dzerzhinskiy and Kotel’niki has been calculated here.
Air line (approximately)
3 kilometers
2 nautical miles