The calculated distance (air line) between Nizhnegorskiy and Novooleksiyivka is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Novooleksiyivka is certainly longer, as only the direct route (as the crow flies) between Nizhnegorskiy and Novooleksiyivka has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles