The calculated distance (air line) between Xitangtuo and Beihuaidian is approximately 6 miles respectively 10 kilometers.
By car or train, the actual journey to Beihuaidian is certainly longer, as only the direct route (as the crow flies) between Xitangtuo and Beihuaidian has been calculated here.
Air line (approximately)
10 kilometers
5 nautical miles