The calculated distance (air line) between Kostiantynivka and Kryvyy Rih is approximately 121 miles respectively 195 kilometers.
By car or train, the actual journey to Kryvyy Rih is certainly longer, as only the direct route (as the crow flies) between Kostiantynivka and Kryvyy Rih has been calculated here.
Air line (approximately)
195 kilometers
105 nautical miles