The calculated distance (air line) between Jingmen and Nanzhang Chengguanzhen is approximately 56 miles respectively 91 kilometers.
By car or train, the actual journey to Nanzhang Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Jingmen and Nanzhang Chengguanzhen has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles