The calculated distance (air line) between Yaroslavl and Chistyye Bory is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Chistyye Bory is certainly longer, as only the direct route (as the crow flies) between Yaroslavl and Chistyye Bory has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles