The calculated distance (air line) between Komusan Il-tong and Iwŏn-ŭp is approximately 135 miles respectively 217 kilometers.
By car or train, the actual journey to Iwŏn-ŭp is certainly longer, as only the direct route (as the crow flies) between Komusan Il-tong and Iwŏn-ŭp has been calculated here.
Air line (approximately)
217 kilometers
117 nautical miles