The calculated distance (air line) between Yonggang-ŭp and Yuktae-dong is approximately 167 miles respectively 268 kilometers.
By car or train, the actual journey to Yuktae-dong is certainly longer, as only the direct route (as the crow flies) between Yonggang-ŭp and Yuktae-dong has been calculated here.
Air line (approximately)
268 kilometers
145 nautical miles