The calculated distance (air line) between Qarah Ẕīā’ od Dīn and Diyadin is approximately 85 miles respectively 137 kilometers.
By car or train, the actual journey to Diyadin is certainly longer, as only the direct route (as the crow flies) between Qarah Ẕīā’ od Dīn and Diyadin has been calculated here.
Air line (approximately)
137 kilometers
74 nautical miles