The calculated distance (air line) between Kochkor-Ata and At-Bashi is approximately 173 miles respectively 278 kilometers.
By car or train, the actual journey to At-Bashi is certainly longer, as only the direct route (as the crow flies) between Kochkor-Ata and At-Bashi has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles