There are 219.05 miles from Seattle–Tacoma International Airport (SEA) to Dayton in southeast direction and 308 miles (495.68 kilometers) by car, following the I-90 E route.
SEA Airport and Dayton are 5 hours 3 mins far apart, if you drive non-stop .
This is the fastest route from SEA Airport to Dayton, WA. The halfway point is Wapato, WA.
SEA Airport and Dayton, WA are in the same time zone (PDT). Current time in both locations is 10:05 pm.
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