Originally Posted by
Taiwaned
If you are looking to get some extra mileage than go the Beijing route

Hardly any. LAX-PEK-SZX is only about 200 miles more than LAX-HKG; while JFK-PEK-SZX is only about
20 miles longer than JFK-HKG, as PEK is right on the great-circle route between NYC and Hong Kong/Shenzhen.