The calculated distance (air line) between Kotlovka and Leninskiye Gory is approximately 3 miles respectively 5 kilometers.
By car or train, the actual journey to Leninskiye Gory is certainly longer, as only the direct route (as the crow flies) between Kotlovka and Leninskiye Gory has been calculated here.
Air line (approximately)
5 kilometers
3 nautical miles