The calculated distance (air line) between Hŭkkyo-ri and Sŭngho 1-tong is approximately 17 miles respectively 27 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 Hŭkkyo-ri and Sŭngho 1-tong has been calculated here.
Air line (approximately)
27 kilometers
14 nautical miles