The calculated distance (air line) between Novyy Rogachik and Malyye Derbety is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Malyye Derbety is certainly longer, as only the direct route (as the crow flies) between Novyy Rogachik and Malyye Derbety has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles