The calculated distance (air line) between Sunan and Pukchil-lodongjagu is approximately 69 miles respectively 111 kilometers.
By car or train, the actual journey to Pukchil-lodongjagu is certainly longer, as only the direct route (as the crow flies) between Sunan and Pukchil-lodongjagu has been calculated here.
Air line (approximately)
111 kilometers
60 nautical miles