The calculated distance (air line) between Novofedorivka and Pervomayskoye is approximately 80 miles respectively 129 kilometers.
By car or train, the actual journey to Pervomayskoye is certainly longer, as only the direct route (as the crow flies) between Novofedorivka and Pervomayskoye has been calculated here.
Air line (approximately)
129 kilometers
70 nautical miles