The calculated distance (air line) between Duobao and Yunmeng Chengguanzhen is approximately 69 miles respectively 112 kilometers.
By car or train, the actual journey to Yunmeng Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Duobao and Yunmeng Chengguanzhen has been calculated here.
Air line (approximately)
112 kilometers
60 nautical miles