The calculated distance (air line) between Sŭngam-nodongjagu and Chongjin is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Chongjin is certainly longer, as only the direct route (as the crow flies) between Sŭngam-nodongjagu and Chongjin has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles