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