The calculated distance (air line) between Sinch’ŏn-ŭp and P’yŏngsŏng is approximately 65 miles respectively 105 kilometers.
By car or train, the actual journey to P’yŏngsŏng is certainly longer, as only the direct route (as the crow flies) between Sinch’ŏn-ŭp and P’yŏngsŏng has been calculated here.
Air line (approximately)
105 kilometers
57 nautical miles