The calculated distance (air line) between Wuhan and Nanzhang Chengguanzhen is approximately 166 miles respectively 268 kilometers.
By car or train, the actual journey to Nanzhang Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Wuhan and Nanzhang Chengguanzhen has been calculated here.
Air line (approximately)
268 kilometers
144 nautical miles