The calculated distance (air line) between Qalaqayın and Mingelchaur is approximately 92 miles respectively 149 kilometers.
By car or train, the actual journey to Mingelchaur is certainly longer, as only the direct route (as the crow flies) between Qalaqayın and Mingelchaur has been calculated here.
Air line (approximately)
149 kilometers
80 nautical miles