The calculated distance (air line) between Hoeryŏng and Vol’no-Nadezhdinskoye is approximately 131 miles respectively 211 kilometers.
By car or train, the actual journey to Vol’no-Nadezhdinskoye is certainly longer, as only the direct route (as the crow flies) between Hoeryŏng and Vol’no-Nadezhdinskoye has been calculated here.
Air line (approximately)
211 kilometers
114 nautical miles