The calculated distance (air line) between Sosnovoborsk and Krasnoyarsk is approximately 20 miles respectively 31 kilometers.
By car or train, the actual journey to Krasnoyarsk is certainly longer, as only the direct route (as the crow flies) between Sosnovoborsk and Krasnoyarsk has been calculated here.
Air line (approximately)
31 kilometers
17 nautical miles