The calculated distance (air line) between Novofedorovka and Nizhnegorskiy is approximately 62 miles respectively 99 kilometers.
By car or train, the actual journey to Nizhnegorskiy is certainly longer, as only the direct route (as the crow flies) between Novofedorovka and Nizhnegorskiy has been calculated here.
Air line (approximately)
99 kilometers
54 nautical miles