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