This is a great itinerary. I recently scheduled the following for a 5 continent trip....NRT-HKG-JFK-LAX-ORD-SJU-ORD-LAX-SCL-xLAX-LHR-TLV-LHR-SYD-PER-MEL-AKL-HKG-SIN-HKG-NRT. I had to to some business. The key to to mileage was to go from SCL-LHR via LAX