The calculated distance (air line) between Novokuybyshevsk and Otradnyy is approximately 61 miles respectively 98 kilometers.
By car or train, the actual journey to Otradnyy is certainly longer, as only the direct route (as the crow flies) between Novokuybyshevsk and Otradnyy has been calculated here.
Air line (approximately)
98 kilometers
53 nautical miles