The calculated distance (air line) between Lokomotivnyy and Chelyabinsk is approximately 152 miles respectively 245 kilometers.
By car or train, the actual journey to Chelyabinsk is certainly longer, as only the direct route (as the crow flies) between Lokomotivnyy and Chelyabinsk has been calculated here.
Air line (approximately)
245 kilometers
132 nautical miles