Originally Posted by RCyyz

@privacylawyer: LHR-HKG and LHR-LAX are separate routes on BA. That said, you would be able to fly LAX-LHR-[change planes]-HKG.

LHR-HKG-LHR yields almost 12,000 miles + whatever COS is (50%?).

Everything is very bookable on BA.com and the fares are also on ITA.