The calculated distance (air line) between Platnirovskaya and Novomyshastovskaya is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Novomyshastovskaya is certainly longer, as only the direct route (as the crow flies) between Platnirovskaya and Novomyshastovskaya has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles