The calculated distance (air line) between Naberezhnyye Chelny and Alnashi is approximately 32 miles respectively 52 kilometers.
By car or train, the actual journey to Alnashi is certainly longer, as only the direct route (as the crow flies) between Naberezhnyye Chelny and Alnashi has been calculated here.
Air line (approximately)
52 kilometers
28 nautical miles