US Road Fuel Cost Estimator
Washington, DC → Seattle
How much petrol or diesel does it cost to drive from Washington, DC to Seattle? Breakdown by vehicle type using today's United States fuel prices, updated from the datasource.
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Route map: Washington, DC → Seattle
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Running this route for deliveries?
Washington, DC to Seattle can become a recurring route cost.
At 22 one-way trips per month across 3 vehicles, this route is roughly USD 110,732 in fuel and toll cost before driver time, failed deliveries, and rerouting.
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Delivery Time & ETA: Washington, DC to Seattle
How long the trip takes — and what it means for same-day vs. next-day delivery planning.
Normal highway conditions, excl. loading
Driving only, before stop time
Highway routing
For delivery planning, with 59h 47m of driving one-way, this is typically a next-day delivery lane that needs an overnight stop or a two-driver relay. These are estimates — real ETAs shift with traffic, checkpoints, and multi-stop detours. Live GPS tracking & route monitoring shows actual vehicle progress and customer-facing ETAs instead of a fixed guess.
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Fuel Cost by Vehicle Type
Select your vehicle to see the detailed fuel breakdown for this route. Prices as of May 11, 2026.
Monthly Fleet Fuel Cost
Running this route regularly? Estimated one-way fuel cost per month, by trip frequency. Figures use primary fuel for each vehicle type (toll excluded).
| Vehicle | 1×/month | 5×/month | 10×/month | 22×/month |
|---|---|---|---|---|
Motorcycle Regular | USD 503 | USD 2,517 | USD 5,033 | USD 11,073 |
Car / SUV Regular | USD 1,678 | USD 8,389 | USD 16,778 | USD 36,911 |
Van / MPV Diesel | USD 2,809 | USD 14,047 | USD 28,095 | USD 61,808 |
Lorry Diesel | USD 5,057 | USD 25,285 | USD 50,571 | USD 111,255 |
Add USD 0.00 toll per one-way trip to get total trip cost per journey.
Full Fuel Cost Comparison
All vehicle types × all fuel types for this route.
| Vehicle | km/L | Regular | Midgrade | Premium | Diesel | Fuel + Toll |
|---|---|---|---|---|---|---|
| Motorcycle | 40 | USD 503.33 | USD 568.12 | — | — | USD 503.33 |
| Car / SUV | 12 | USD 1677.76 | USD 1893.74 | — | — | USD 1677.76 |
| Van / MPV | 9 | USD 2237.02 | — | — | USD 2809.48 | USD 2809.48 |
| Lorry | 5 | — | — | — | USD 5057.06 | USD 5057.06 |
"Fuel + Toll" uses the primary fuel type for each vehicle. Toll is one-way estimate.
Today's Fuel Prices in United States
EIA weekly retail fuel prices used in all calculations above
Last updated: May 11, 2026. Prices are sourced from EIA weekly retail fuel prices.
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Common Questions: Washington, DC to Seattle
How far is Washington, DC to Seattle?
The highway distance from Washington, DC to Seattle is approximately 4484 km. The estimated driving time is 59h 47m under normal highway conditions.
How long does delivery take from Washington, DC to Seattle?
Plan for roughly 59h 47m of one-way transit time plus loading and handling at each end. In practice, with 59h 47m of driving one-way, this is typically a next-day delivery lane that needs an overnight stop or a two-driver relay. Real ETAs vary with traffic, checkpoint or border delays, and multi-stop detours — which is why delivery operators track vehicles live rather than rely on a fixed estimate.
How much petrol does a car use from Washington, DC to Seattle?
A typical car with 12 km/L mileage uses approximately 373.7 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 1677.76.
How much does a lorry spend on diesel from Washington, DC to Seattle?
A lorry averaging 5 km/L needs about 896.8 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 5057.06 one-way.
What is the toll charge from Washington, DC to Seattle?
The estimated one-way toll on this highway route is approximately USD 0.00. US tolls are state- and corridor-specific. Route-level estimates are kept at zero and the pages point to FHWA toll-facility references.
How much does a motorcycle spend on fuel from Washington, DC to Seattle?
A motorcycle averaging 40 km/L uses about 112.1 litres. At today's Regular price, that's USD 503.33, making it the most fuel-efficient option for this route.
What is the total cost (fuel + toll) for a delivery van on this route?
A delivery van using diesel at 9 km/L needs 498.2 litres, costing USD 2809.48 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 2809.48.
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For Fleet Operators
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