Originally Posted by mmcmah
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5) SIN might be a better base for mileage purposes in Asia than HKG (although I would miss out on the CX cabins).
Perhaps NRT is better for distance optimization with Asia.
Originally Posted by mmcmah
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6) It seems that PER cannot be in any OW itinerary because of the restriction on the one PER leg, unless I purchase more segments in Australia/NZ.
PER is quite easy to use without buying additional segments. FWIW, I am not sure buying additional segment would get around the one only PER-CNS/BNE/SYD/MEL restriction anyway.
Try this for over 67000 miles:
ORD-LAX-LHR-DXB-LHR-IST-LHR-MEL-AKL-MEL-CNS-PER-NRT-DPS-NRT-DEL-HKG-JFK-SJU-LAX-ORD