The calculated distance (air line) between Doğubayazıt and Yeghvard is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Yeghvard is certainly longer, as only the direct route (as the crow flies) between Doğubayazıt and Yeghvard has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles