The calculated distance (air line) between Shirochanka and Rostov-na-Donu is approximately 77 miles respectively 123 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 Shirochanka and Rostov-na-Donu has been calculated here.
Air line (approximately)
123 kilometers
66 nautical miles