The calculated distance (air line) between Krasnogvardeyskoye and Feodosiya is approximately 62 miles respectively 99 kilometers.
By car or train, the actual journey to Feodosiya is certainly longer, as only the direct route (as the crow flies) between Krasnogvardeyskoye and Feodosiya has been calculated here.
Air line (approximately)
99 kilometers
54 nautical miles