The calculated distance (air line) between Pervomayskoye and Makhachkala is approximately 76 miles respectively 123 kilometers.
By car or train, the actual journey to Makhachkala is certainly longer, as only the direct route (as the crow flies) between Pervomayskoye and Makhachkala has been calculated here.
Air line (approximately)
123 kilometers
66 nautical miles