The calculated distance (air line) between Novosibirsk and Novoaltaysk is approximately 121 miles respectively 195 kilometers.
By car or train, the actual journey to Novoaltaysk is certainly longer, as only the direct route (as the crow flies) between Novosibirsk and Novoaltaysk has been calculated here.
Air line (approximately)
195 kilometers
105 nautical miles