The calculated distance (air line) between Panghyŏn-dong and Sunch’ŏn is approximately 48 miles respectively 78 kilometers.
By car or train, the actual journey to Sunch’ŏn is certainly longer, as only the direct route (as the crow flies) between Panghyŏn-dong and Sunch’ŏn has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles