The calculated distance (air line) between Pionerskoye and Novofedorovka is approximately 34 miles respectively 55 kilometers.
By car or train, the actual journey to Novofedorovka is certainly longer, as only the direct route (as the crow flies) between Pionerskoye and Novofedorovka has been calculated here.
Air line (approximately)
55 kilometers
30 nautical miles