The calculated distance (air line) between Novyy Rogachik and Morozovsk is approximately 105 miles respectively 168 kilometers.
By car or train, the actual journey to Morozovsk is certainly longer, as only the direct route (as the crow flies) between Novyy Rogachik and Morozovsk has been calculated here.
Air line (approximately)
168 kilometers
91 nautical miles