The calculated distance (air line) between Doğubayazıt and Nerkin Getashen is approximately 75 miles respectively 121 kilometers.
By car or train, the actual journey to Nerkin Getashen is certainly longer, as only the direct route (as the crow flies) between Doğubayazıt and Nerkin Getashen has been calculated here.
Air line (approximately)
121 kilometers
65 nautical miles