The calculated distance (air line) between Novyy Rogachik and Kotel’nikovo is approximately 84 miles respectively 135 kilometers.
By car or train, the actual journey to Kotel’nikovo is certainly longer, as only the direct route (as the crow flies) between Novyy Rogachik and Kotel’nikovo has been calculated here.
Air line (approximately)
135 kilometers
73 nautical miles