The calculated distance (air line) between Naberezhnyye Chelny and Karabash is approximately 72 miles respectively 115 kilometers.
By car or train, the actual journey to Karabash is certainly longer, as only the direct route (as the crow flies) between Naberezhnyye Chelny and Karabash has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles