The calculated distance (air line) between Livadiya and Ungsang-nodongjagu is approximately 118 miles respectively 190 kilometers.
By car or train, the actual journey to Ungsang-nodongjagu is certainly longer, as only the direct route (as the crow flies) between Livadiya and Ungsang-nodongjagu has been calculated here.
Air line (approximately)
190 kilometers
102 nautical miles