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ghaff | karma 44589 | avg karma 1.65 · 2017-10-18 16:45:03+00:00

You'd need a lot more range. The Concorde had a range of about 4500 miles. Even SFO-NRT (Tokyo) is over 5000 miles. And if you have to make a fuel stop--probably in Anchorage--you're really starting to cut into the time advantage.