The calculated distance (air line) between Vladimiro-Aleksandrovskoye and Dongning is approximately 128 miles respectively 206 kilometers.
By car or train, the actual journey to Dongning is certainly longer, as only the direct route (as the crow flies) between Vladimiro-Aleksandrovskoye and Dongning has been calculated here.
Air line (approximately)
206 kilometers
111 nautical miles