The calculated distance (air line) between Yuktae-dong and Sŭngho 1-tong is approximately 136 miles respectively 220 kilometers.
By car or train, the actual journey to Sŭngho 1-tong is certainly longer, as only the direct route (as the crow flies) between Yuktae-dong and Sŭngho 1-tong has been calculated here.
Air line (approximately)
220 kilometers
119 nautical miles