The calculated distance (air line) between Kyzyl-Kyya and Kara Suu is approximately 50 miles respectively 80 kilometers.
By car or train, the actual journey to Kara Suu is certainly longer, as only the direct route (as the crow flies) between Kyzyl-Kyya and Kara Suu has been calculated here.
Air line (approximately)
80 kilometers
43 nautical miles