There are 129.26 miles from Seattle–Tacoma International Airport (SEA) to Portland International Airport (PDX) in south direction and 164 miles (263.93 kilometers) by car, following the I-5 S route.
SEA Airport and PDX Airport are 2 hours 40 mins far apart, if you drive non-stop.
This is the fastest route from SEA Airport to PDX Airport. The halfway point is Chehalis, WA.
SEA Airport and PDX Airport are in the same time zone (PDT). Current time in both locations is 5:01 pm.
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