The calculated distance (air line) between Privolzhsk and Nizhniy Novgorod is approximately 126 miles respectively 202 kilometers.
By car or train, the actual journey to Nizhniy Novgorod is certainly longer, as only the direct route (as the crow flies) between Privolzhsk and Nizhniy Novgorod has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles