The calculated distance (air line) between Korsun-Shevchenkivskyy and Kremenchuk is approximately 100 miles respectively 161 kilometers.
By car or train, the actual journey to Kremenchuk is certainly longer, as only the direct route (as the crow flies) between Korsun-Shevchenkivskyy and Kremenchuk has been calculated here.
Air line (approximately)
161 kilometers
87 nautical miles