The calculated distance (air line) between Sŭngho 1-tong and Sariwŏn is approximately 36 miles respectively 57 kilometers.
By car or train, the actual journey to Sariwŏn is certainly longer, as only the direct route (as the crow flies) between Sŭngho 1-tong and Sariwŏn has been calculated here.
Air line (approximately)
57 kilometers
31 nautical miles