The calculated distance (air line) between Nishon Tumani and Kogon Shahri is approximately 93 miles respectively 150 kilometers.
By car or train, the actual journey to Kogon Shahri is certainly longer, as only the direct route (as the crow flies) between Nishon Tumani and Kogon Shahri has been calculated here.
Air line (approximately)
150 kilometers
81 nautical miles