The calculated distance (air line) between Astrakhan and Krasnyye Barrikady is approximately 13 miles respectively 22 kilometers.
By car or train, the actual journey to Krasnyye Barrikady is certainly longer, as only the direct route (as the crow flies) between Astrakhan and Krasnyye Barrikady has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles