The calculated distance (air line) between Qarah Ẕīā’ od Dīn and Kapan is approximately 77 miles respectively 124 kilometers.
By car or train, the actual journey to Kapan is certainly longer, as only the direct route (as the crow flies) between Qarah Ẕīā’ od Dīn and Kapan has been calculated here.
Air line (approximately)
124 kilometers
67 nautical miles