The calculated distance (air line) between Chelyabinsk and Krasnogorskiy is approximately 39 miles respectively 63 kilometers.
By car or train, the actual journey to Krasnogorskiy is certainly longer, as only the direct route (as the crow flies) between Chelyabinsk and Krasnogorskiy has been calculated here.
Air line (approximately)
63 kilometers
34 nautical miles