The driving distance from Portland (OR) to Seattle is 173 miles
or 278 kilometers
This is a medium length road trip, starting from Portland, OR and arriving at your destination of Seattle, WA with a total driving time of 2 hours, 44 minutes
If you just want to know how far it is between Portland and Seattle, the straight line distance is 145 miles
or 233 kilometers
If you are a pilot flying a private plane, you can fly straight from Portland, OR to Seattle, WA for a total flight time of 42 minutes
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Portland (OR) to Seattle.