The calculated distance (air line) between Iwŏn-ŭp and Sŭngam-nodongjagu is approximately 107 miles respectively 172 kilometers.
By car or train, the actual journey to Sŭngam-nodongjagu is certainly longer, as only the direct route (as the crow flies) between Iwŏn-ŭp and Sŭngam-nodongjagu has been calculated here.
Air line (approximately)
172 kilometers
93 nautical miles