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