The calculated distance (air line) between Khrustalnyi and Chystyakove is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Chystyakove is certainly longer, as only the direct route (as the crow flies) between Khrustalnyi and Chystyakove has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles