There are 2,477.49 miles from Smithfield to Seattle–Tacoma International Airport (SEA) in west direction and 3,074 miles (4,947.12 kilometers) by car, following the I-90 route.
Smithfield and SEA Airport are 1 day 21 hours far apart, if you drive non-stop .
This is the fastest route from Smithfield, RI to SEA Airport. The halfway point is Buffalo Ridge, SD.
Please note the time difference between Smithfield, RI and SEA Airport is 3 hours. The current time in Smithfield is 9:35 am and the current time in SEA Airport is 6:35 am.
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