The calculated distance (air line) between Sariwŏn-si and Sinp’o is approximately 168 miles respectively 270 kilometers.
By car or train, the actual journey to Sinp’o is certainly longer, as only the direct route (as the crow flies) between Sariwŏn-si and Sinp’o has been calculated here.
Air line (approximately)
270 kilometers
146 nautical miles