The calculated distance (air line) between Kangdong-ŭp and Sunch’ŏn is approximately 22 miles respectively 35 kilometers.
By car or train, the actual journey to Sunch’ŏn is certainly longer, as only the direct route (as the crow flies) between Kangdong-ŭp and Sunch’ŏn has been calculated here.
Air line (approximately)
35 kilometers
19 nautical miles