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