The calculated distance (air line) between Akhalk’alak’i and Gudauri is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to Gudauri is certainly longer, as only the direct route (as the crow flies) between Akhalk’alak’i and Gudauri has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles