The calculated distance (air line) between Novofedorivka and Chornobaivka is approximately 38 miles respectively 61 kilometers.
By car or train, the actual journey to Chornobaivka is certainly longer, as only the direct route (as the crow flies) between Novofedorivka and Chornobaivka has been calculated here.
Air line (approximately)
61 kilometers
33 nautical miles