The calculated distance (air line) between Izhmorskiy and Novosibirsk is approximately 165 miles respectively 266 kilometers.
By car or train, the actual journey to Novosibirsk is certainly longer, as only the direct route (as the crow flies) between Izhmorskiy and Novosibirsk has been calculated here.
Air line (approximately)
266 kilometers
143 nautical miles