The calculated distance (air line) between Sunch’ŏn and Tŏkch’ŏn is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Tŏkch’ŏn is certainly longer, as only the direct route (as the crow flies) between Sunch’ŏn and Tŏkch’ŏn has been calculated here.