The calculated distance (air line) between Ruzayevka and Nizhniy Novgorod is approximately 161 miles respectively 259 kilometers.
By car or train, the actual journey to Nizhniy Novgorod is certainly longer, as only the direct route (as the crow flies) between Ruzayevka and Nizhniy Novgorod has been calculated here.
Air line (approximately)
259 kilometers
140 nautical miles