The calculated distance (air line) between Xiaogan and Yunmeng Chengguanzhen is approximately 13 miles respectively 21 kilometers.
By car or train, the actual journey to Yunmeng Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Xiaogan and Yunmeng Chengguanzhen has been calculated here.
Air line (approximately)
21 kilometers
11 nautical miles