The calculated distance (air line) between Povolzhskiy and Krasnyy Yar is approximately 27 miles respectively 43 kilometers.
By car or train, the actual journey to Krasnyy Yar is certainly longer, as only the direct route (as the crow flies) between Povolzhskiy and Krasnyy Yar has been calculated here.
Air line (approximately)
43 kilometers
23 nautical miles