The calculated distance (air line) between Ayang-ni and P’yŏngsŏng is approximately 69 miles respectively 111 kilometers.
By car or train, the actual journey to P’yŏngsŏng is certainly longer, as only the direct route (as the crow flies) between Ayang-ni and P’yŏngsŏng has been calculated here.
Air line (approximately)
111 kilometers
60 nautical miles