The calculated distance (air line) between Nizhniye Achaluki and Makhachkala is approximately 141 miles respectively 227 kilometers.
By car or train, the actual journey to Makhachkala is certainly longer, as only the direct route (as the crow flies) between Nizhniye Achaluki and Makhachkala has been calculated here.
Air line (approximately)
227 kilometers
123 nautical miles