The calculated distance (air line) between Rozhdestveno and Novosemeykino is approximately 15 miles respectively 25 kilometers.
By car or train, the actual journey to Novosemeykino is certainly longer, as only the direct route (as the crow flies) between Rozhdestveno and Novosemeykino has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles