The calculated distance (air line) between Gagarin Shahri and Qo‘qon is approximately 146 miles respectively 235 kilometers.
By car or train, the actual journey to Qo‘qon is certainly longer, as only the direct route (as the crow flies) between Gagarin Shahri and Qo‘qon has been calculated here.
Air line (approximately)
235 kilometers
127 nautical miles