The calculated distance (air line) between Kujang-ŭp and Tŏkch’ŏn is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Tŏkch’ŏn is certainly longer, as only the direct route (as the crow flies) between Kujang-ŭp and Tŏkch’ŏn has been calculated here.