The calculated distance (air line) between Yŏnan-ŭp and Yuktae-dong is approximately 181 miles respectively 292 kilometers.
By car or train, the actual journey to Yuktae-dong is certainly longer, as only the direct route (as the crow flies) between Yŏnan-ŭp and Yuktae-dong has been calculated here.
Air line (approximately)
292 kilometers
158 nautical miles