The calculated distance (air line) between Korsun-Shevchenkivskyy and Ukrainka is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Ukrainka is certainly longer, as only the direct route (as the crow flies) between Korsun-Shevchenkivskyy and Ukrainka has been calculated here.
Air line (approximately)
88 kilometers
48 nautical miles