The calculated distance (air line) between Kujang-ŭp and P’yŏngsŏng is approximately 44 miles respectively 70 kilometers.
By car or train, the actual journey to P’yŏngsŏng is certainly longer, as only the direct route (as the crow flies) between Kujang-ŭp and P’yŏngsŏng has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles