The calculated distance (air line) between Volgograd and Srednyaya Akhtuba is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Srednyaya Akhtuba is certainly longer, as only the direct route (as the crow flies) between Volgograd and Srednyaya Akhtuba has been calculated here.
Air line (approximately)
27 kilometers
14 nautical miles