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