The calculated distance (air line) between Ryazanskiy and Vostochnyy is approximately 7 miles respectively 11 kilometers.
By car or train, the actual journey to Vostochnyy is certainly longer, as only the direct route (as the crow flies) between Ryazanskiy and Vostochnyy has been calculated here.
Air line (approximately)
11 kilometers
6 nautical miles