The calculated distance (air line) between Yŏnan-ŭp and P’yŏngsŏng is approximately 94 miles respectively 151 kilometers.
By car or train, the actual journey to P’yŏngsŏng is certainly longer, as only the direct route (as the crow flies) between Yŏnan-ŭp and P’yŏngsŏng has been calculated here.
Air line (approximately)
151 kilometers
81 nautical miles