The calculated distance (air line) between Sudislavl’ and Nizhniy Novgorod is approximately 138 miles respectively 221 kilometers.
By car or train, the actual journey to Nizhniy Novgorod is certainly longer, as only the direct route (as the crow flies) between Sudislavl’ and Nizhniy Novgorod has been calculated here.
Air line (approximately)
221 kilometers
119 nautical miles