The calculated distance (air line) between Orshanka and Nizhniy Novgorod is approximately 154 miles respectively 247 kilometers.
By car or train, the actual journey to Nizhniy Novgorod is certainly longer, as only the direct route (as the crow flies) between Orshanka and Nizhniy Novgorod has been calculated here.
Air line (approximately)
247 kilometers
133 nautical miles