The calculated distance (air line) between Akhtubinsk and Novyy Rogachik is approximately 101 miles respectively 162 kilometers.
By car or train, the actual journey to Novyy Rogachik is certainly longer, as only the direct route (as the crow flies) between Akhtubinsk and Novyy Rogachik has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles