The calculated distance (air line) between Oktyabr’skiy and Petrovskaya is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Petrovskaya is certainly longer, as only the direct route (as the crow flies) between Oktyabr’skiy and Petrovskaya has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles