The calculated distance (air line) between Dashitou and Ungsang-nodongjagu is approximately 119 miles respectively 191 kilometers.
By car or train, the actual journey to Ungsang-nodongjagu is certainly longer, as only the direct route (as the crow flies) between Dashitou and Ungsang-nodongjagu has been calculated here.
Air line (approximately)
191 kilometers
103 nautical miles