All Road Trips
Popular Road Trip Route
Seattle, WA to Portland, OR Gas Cost
The Pacific Northwest corridor linking Washington and Oregon through lush evergreen scenery. Moderate traffic around Tacoma and Olympia; steady sea-level cruising.
Distance 175 miles
Est. Drive Time 3 hours
Est. Fuel Needed~6.3 gallons
Est. Total Gas~$25.62
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Trip Inputs
miles
175 mi
Round-Trip RouteOne-way only
MPG
28 MPG
$/gal
$4.10
Cost Per Person
$8.54
Total fuel cost is $25.62 for 175 miles (6.25 gal).
Total Fuel Cost
$25.62
Fuel Needed
6.25 gal
Fuel Cost Per Mile:$0.1464 / mi
Effective Distance:175 miles
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Route Planning & Gas FAQs
Frequently Asked Questions
For a typical vehicle averaging 28 MPG, driving the 175-mile route from Seattle, WA to Portland, OR requires approximately 6.3 gallons of fuel, costing roughly $25.62 at current regional gas prices ($4.10/gal).