The calculated distance (air line) between Hoemul-li and Sŭngjibaegam is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Sŭngjibaegam is certainly longer, as only the direct route (as the crow flies) between Hoemul-li and Sŭngjibaegam has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles