The calculated distance (air line) between Hyesan-dong and Sŭngam-nodongjagu is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Sŭngam-nodongjagu is certainly longer, as only the direct route (as the crow flies) between Hyesan-dong and Sŭngam-nodongjagu has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles