The calculated distance (air line) between Oleshky and Novovorontsovka is approximately 83 miles respectively 133 kilometers.
By car or train, the actual journey to Novovorontsovka is certainly longer, as only the direct route (as the crow flies) between Oleshky and Novovorontsovka has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles