The calculated distance (air line) between Nizhneye Kazanishche and Makhachkala is approximately 23 miles respectively 37 kilometers.
By car or train, the actual journey to Makhachkala is certainly longer, as only the direct route (as the crow flies) between Nizhneye Kazanishche and Makhachkala has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles