The calculated distance (air line) between Zheleznodorozhnyy and Kotel’niki is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Kotel’niki is certainly longer, as only the direct route (as the crow flies) between Zheleznodorozhnyy and Kotel’niki has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles