The calculated distance (air line) between Shamkhal-Termen and Makhachkala is approximately 10 miles respectively 17 kilometers.
By car or train, the actual journey to Makhachkala is certainly longer, as only the direct route (as the crow flies) between Shamkhal-Termen and Makhachkala has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles