The calculated distance (air line) between Nizhniy Novgorod and Puchezh is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Puchezh is certainly longer, as only the direct route (as the crow flies) between Nizhniy Novgorod and Puchezh has been calculated here.
Air line (approximately)
88 kilometers
48 nautical miles