There are 2,419.69 miles from Seattle–Tacoma International Airport (SEA) to Andover in east direction and 3,071 miles (4,942.30 kilometers) by car, following the I-90 route.
SEA Airport and Andover are 1 day 21 hours far apart, if you drive non-stop.
This is the fastest route from SEA Airport to Andover, NH. The halfway point is Humboldt, SD.
Please note the time difference between SEA Airport and Andover, NH is 3 hours. The current time in SEA Airport is 6:44 am and the current time in Andover is 9:44 am.
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