SYD/LAX/HNL/SFO violates backtracking rule about HNL.
Your itinerary should be something like
.../BNE/SYD/HNL/SFOorLAXorDFWorORD/MIA/...
A lot of discussion and suggestion about mileage run in North America were maed in this Forum.
ANC is one good point for mileage run in Summer.
About Europe, LHR/CAI, LHR/IST is popular route for mileage accural.