The calculated distance (air line) between Zheleznodorozhnyy and Dzerzhinskiy is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Dzerzhinskiy is certainly longer, as only the direct route (as the crow flies) between Zheleznodorozhnyy and Dzerzhinskiy has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles