The calculated distance (air line) between Staroderevyankovskaya and Rostov-na-Donu is approximately 84 miles respectively 136 kilometers.
By car or train, the actual journey to Rostov-na-Donu is certainly longer, as only the direct route (as the crow flies) between Staroderevyankovskaya and Rostov-na-Donu has been calculated here.
Air line (approximately)
136 kilometers
73 nautical miles