The calculated distance (air line) between Hepu and Cẩm Phả Mines is approximately 130 miles respectively 209 kilometers.
By car or train, the actual journey to Cẩm Phả Mines is certainly longer, as only the direct route (as the crow flies) between Hepu and Cẩm Phả Mines has been calculated here.
Air line (approximately)
209 kilometers
113 nautical miles