The calculated distance (air line) between Cheboksary and Novocheboksarsk is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Novocheboksarsk is certainly longer, as only the direct route (as the crow flies) between Cheboksary and Novocheboksarsk has been calculated here.
Air line (approximately)
14 kilometers
8 nautical miles