The calculated distance (air line) between T’aebaek and Cheongsong gun is approximately 51 miles respectively 83 kilometers.
By car or train, the actual journey to Cheongsong gun is certainly longer, as only the direct route (as the crow flies) between T’aebaek and Cheongsong gun has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles