The calculated distance (air line) between Cẩm Phả Mines and Lạng Sơn is approximately 67 miles respectively 108 kilometers.
By car or train, the actual journey to Lạng Sơn is certainly longer, as only the direct route (as the crow flies) between Cẩm Phả Mines and Lạng Sơn has been calculated here.
Air line (approximately)
108 kilometers
59 nautical miles