The calculated distance (air line) between Makhachkala and Novyy Sulak is approximately 37 miles respectively 59 kilometers.
By car or train, the actual journey to Novyy Sulak is certainly longer, as only the direct route (as the crow flies) between Makhachkala and Novyy Sulak has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles