The calculated distance (air line) between Vol’no-Nadezhdinskoye and Pogranichnyy is approximately 78 miles respectively 125 kilometers.
By car or train, the actual journey to Pogranichnyy is certainly longer, as only the direct route (as the crow flies) between Vol’no-Nadezhdinskoye and Pogranichnyy has been calculated here.
Air line (approximately)
125 kilometers
68 nautical miles