The calculated distance (air line) between Berdyaush and Chelyabinsk is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to Chelyabinsk is certainly longer, as only the direct route (as the crow flies) between Berdyaush and Chelyabinsk has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles