The calculated distance (air line) between Novosibirsk and Pervomayskoye is approximately 101 miles respectively 163 kilometers.
By car or train, the actual journey to Pervomayskoye is certainly longer, as only the direct route (as the crow flies) between Novosibirsk and Pervomayskoye has been calculated here.
Air line (approximately)
163 kilometers
88 nautical miles