The calculated distance (air line) between Naberezhnyye Chelny and Mozhga is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Mozhga is certainly longer, as only the direct route (as the crow flies) between Naberezhnyye Chelny and Mozhga has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles