The calculated distance (air line) between Sŭngjibaegam and Sanchazi is approximately 127 miles respectively 205 kilometers.
By car or train, the actual journey to Sanchazi is certainly longer, as only the direct route (as the crow flies) between Sŭngjibaegam and Sanchazi has been calculated here.
Air line (approximately)
205 kilometers
111 nautical miles