The calculated distance (air line) between Kyzyl-Suu and Lebedinovka is approximately 173 miles respectively 279 kilometers.
By car or train, the actual journey to Lebedinovka is certainly longer, as only the direct route (as the crow flies) between Kyzyl-Suu and Lebedinovka has been calculated here.
Air line (approximately)
279 kilometers
151 nautical miles