The calculated distance (air line) between Yŏch’im-dong and Sinch’ŏn-ŭp is approximately 152 miles respectively 245 kilometers.
By car or train, the actual journey to Sinch’ŏn-ŭp is certainly longer, as only the direct route (as the crow flies) between Yŏch’im-dong and Sinch’ŏn-ŭp has been calculated here.
Air line (approximately)
245 kilometers
132 nautical miles