The calculated distance (air line) between Rozhdestveno and Novaya Mayna is approximately 64 miles respectively 104 kilometers.
By car or train, the actual journey to Novaya Mayna is certainly longer, as only the direct route (as the crow flies) between Rozhdestveno and Novaya Mayna has been calculated here.
Air line (approximately)
104 kilometers
56 nautical miles