The calculated distance (air line) between Musan-ŭp and Sŭngjibaegam is approximately 71 miles respectively 114 kilometers.
By car or train, the actual journey to Sŭngjibaegam is certainly longer, as only the direct route (as the crow flies) between Musan-ŭp and Sŭngjibaegam has been calculated here.
Air line (approximately)
114 kilometers
62 nautical miles