The flight from Frankfurt am Main (FRA) to Boston (BOS) takes about 7h 19m nonstop on a widebody airliner, covering 3,659 miles (5,889 km).
Boston is 6 hours behind Frankfurt am Main. You cross 6 time zones heading west. Westbound trips like this one are usually a little easier to adjust to, so plan for a day or two of jet lag.
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