The calculated distance (air line) between Hamhŭng and Sinch’ŏn-ŭp is approximately 154 miles respectively 248 kilometers.
By car or train, the actual journey to Sinch’ŏn-ŭp is certainly longer, as only the direct route (as the crow flies) between Hamhŭng and Sinch’ŏn-ŭp has been calculated here.
Air line (approximately)
248 kilometers
134 nautical miles