The calculated distance (air line) between Khrustalnyi and Matveyev Kurgan is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Matveyev Kurgan is certainly longer, as only the direct route (as the crow flies) between Khrustalnyi and Matveyev Kurgan has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles