The calculated distance (air line) between Sŭngho 1-tong and Chaeryŏng-ŭp is approximately 45 miles respectively 73 kilometers.
By car or train, the actual journey to Chaeryŏng-ŭp is certainly longer, as only the direct route (as the crow flies) between Sŭngho 1-tong and Chaeryŏng-ŭp has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles