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USA › Road trip gas calculator › Seattle to Spokane

Seattle to Spokane: gas cost

About 280 miles one way. Fuel cost at this week’s average regular price in Seattle: $5.283 per gallon (EIA, week of Nov 2, 2026).

Fuel cost by vehicle

VehicleMPGGallonsOne wayRound trip
Compact car358.0$42.26$84.53
Midsize sedan309.3$49.31$98.62
SUV / crossover2411.7$61.64$123.27
Pickup truck1815.6$82.18$164.36

💡 Washington has a high gas tax – Idaho, just across the border, is often cheaper if you are going further east.

Calculate with your own numbers

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San Diego → Las Vegas330$63.23
San Diego → Phoenix355$68.02
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Pittsburgh → Philadelphia305$43.03
Columbus → Chicago355$48.40
Cincinnati → Nashville275$37.49
Phoenix → Tucson115$18.29

FAQ

How much does it cost to drive from Seattle to Spokane?

At about 280 miles and this week’s average of $5.283 per gallon (Seattle), a car averaging 30 MPG uses about 9.3 gallons – roughly $49.31 one way or $98.62 round trip.

How many gallons of gas from Seattle to Spokane?

About 8.0 gallons for a 35 MPG car, 11.7 for a 24 MPG SUV and 15.6 for an 18 MPG pickup.

Gas prices by state this week → · Gas price history → · More calculators →

Distances are approximate driving distances. Gas prices: U.S. Energy Information Administration weekly averages for regular gasoline; actual prices along the route vary.