The calculated distance (air line) between Novokuznetsk and Kiselëvsk is approximately 24 miles respectively 39 kilometers.
By car or train, the actual journey to Kiselëvsk is certainly longer, as only the direct route (as the crow flies) between Novokuznetsk and Kiselëvsk has been calculated here.
Air line (approximately)
39 kilometers
21 nautical miles