The calculated distance (air line) between Zheleznodorozhnyy and Udel’naya is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Udel’naya is certainly longer, as only the direct route (as the crow flies) between Zheleznodorozhnyy and Udel’naya has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles