The calculated distance (air line) between Pervomayskoye and Novokuznetsk is approximately 126 miles respectively 203 kilometers.
By car or train, the actual journey to Novokuznetsk is certainly longer, as only the direct route (as the crow flies) between Pervomayskoye and Novokuznetsk has been calculated here.
Air line (approximately)
203 kilometers
110 nautical miles