The calculated distance (air line) between Novomyrhorod and Ruska Poliana is approximately 43 miles respectively 70 kilometers.
By car or train, the actual journey to Ruska Poliana is certainly longer, as only the direct route (as the crow flies) between Novomyrhorod and Ruska Poliana has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles