The calculated distance (air line) between Bilohirsk and Novofedorovka is approximately 50 miles respectively 81 kilometers.
By car or train, the actual journey to Novofedorovka is certainly longer, as only the direct route (as the crow flies) between Bilohirsk and Novofedorovka has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles