The calculated distance (air line) between Kakhovka and Novovorontsovka is approximately 52 miles respectively 84 kilometers.
By car or train, the actual journey to Novovorontsovka is certainly longer, as only the direct route (as the crow flies) between Kakhovka and Novovorontsovka has been calculated here.
Air line (approximately)
84 kilometers
45 nautical miles