The calculated distance (air line) between Skadovsk and Kryvyy Rih is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Kryvyy Rih is certainly longer, as only the direct route (as the crow flies) between Skadovsk and Kryvyy Rih has been calculated here.
Air line (approximately)
203 kilometers
109 nautical miles