The calculated distance (air line) between Galich and Nizhniy Novgorod is approximately 155 miles respectively 249 kilometers.
By car or train, the actual journey to Nizhniy Novgorod is certainly longer, as only the direct route (as the crow flies) between Galich and Nizhniy Novgorod has been calculated here.
Air line (approximately)
249 kilometers
134 nautical miles