The calculated distance (air line) between Zaterechnyy and Makhachkala is approximately 170 miles respectively 273 kilometers.
By car or train, the actual journey to Makhachkala is certainly longer, as only the direct route (as the crow flies) between Zaterechnyy and Makhachkala has been calculated here.
Air line (approximately)
273 kilometers
147 nautical miles