The calculated distance (air line) between Petrovka and Kryvyy Rih is approximately 172 miles respectively 276 kilometers.
By car or train, the actual journey to Kryvyy Rih is certainly longer, as only the direct route (as the crow flies) between Petrovka and Kryvyy Rih has been calculated here.
Air line (approximately)
276 kilometers
149 nautical miles