The calculated distance (air line) between Okoneshnikovo and Krasnyy Yar is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to Krasnyy Yar is certainly longer, as only the direct route (as the crow flies) between Okoneshnikovo and Krasnyy Yar has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles