The calculated distance (air line) between Krasnoufimsk and Chelyabinsk is approximately 174 miles respectively 280 kilometers.
By car or train, the actual journey to Chelyabinsk is certainly longer, as only the direct route (as the crow flies) between Krasnoufimsk and Chelyabinsk has been calculated here.
Air line (approximately)
280 kilometers
151 nautical miles