The calculated distance (air line) between Vishnëvogorsk and Chelyabinsk is approximately 65 miles respectively 105 kilometers.
By car or train, the actual journey to Chelyabinsk is certainly longer, as only the direct route (as the crow flies) between Vishnëvogorsk and Chelyabinsk has been calculated here.
Air line (approximately)
105 kilometers
57 nautical miles