The calculated distance (air line) between Chernomorskoye and Novofedorovka is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to Novofedorovka is certainly longer, as only the direct route (as the crow flies) between Chernomorskoye and Novofedorovka has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles