The calculated distance (air line) between Doğubayazıt and Yeghegnadzor is approximately 68 miles respectively 110 kilometers.
By car or train, the actual journey to Yeghegnadzor is certainly longer, as only the direct route (as the crow flies) between Doğubayazıt and Yeghegnadzor has been calculated here.
Air line (approximately)
110 kilometers
59 nautical miles