The calculated distance (air line) between Okoneshnikovo and Kuybyshev is approximately 135 miles respectively 217 kilometers.
By car or train, the actual journey to Kuybyshev is certainly longer, as only the direct route (as the crow flies) between Okoneshnikovo and Kuybyshev has been calculated here.
Air line (approximately)
217 kilometers
117 nautical miles