The calculated distance (air line) between Korsun-Shevchenkivskyy and Novomyrhorod is approximately 45 miles respectively 73 kilometers.
By car or train, the actual journey to Novomyrhorod is certainly longer, as only the direct route (as the crow flies) between Korsun-Shevchenkivskyy and Novomyrhorod has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles