The calculated distance (air line) between Tyazhinskiy and Novokuznetsk is approximately 172 miles respectively 278 kilometers.
By car or train, the actual journey to Novokuznetsk is certainly longer, as only the direct route (as the crow flies) between Tyazhinskiy and Novokuznetsk has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles