The calculated distance (air line) between Kara-Kulja and Kara Suu is approximately 38 miles respectively 62 kilometers.
By car or train, the actual journey to Kara Suu is certainly longer, as only the direct route (as the crow flies) between Kara-Kulja and Kara Suu has been calculated here.
Air line (approximately)
62 kilometers
33 nautical miles