US Road Fuel Cost Estimator
San Diego → Washington, DC
How much petrol or diesel does it cost to drive from San Diego to Washington, DC? Breakdown by vehicle type using today's United States fuel prices, updated from the datasource.
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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 492 | USD 2,461 | USD 4,921 | USD 10,826 |
Car / SUV Regular | USD 1,640 | USD 8,202 | USD 16,403 | USD 36,088 |
Van / MPV Diesel | USD 2,747 | USD 13,734 | USD 27,468 | USD 60,430 |
Lorry Diesel | USD 4,944 | USD 24,721 | USD 49,443 | USD 108,774 |
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 492.10 | USD 555.45 | — | — | USD 492.10 |
| Car / SUV | 12 | USD 1640.35 | USD 1851.51 | — | — | USD 1640.35 |
| Van / MPV | 9 | USD 2187.13 | — | — | USD 2746.82 | USD 2746.82 |
| Lorry | 5 | — | — | — | USD 4944.28 | USD 4944.28 |
"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: San Diego to Washington, DC
How far is San Diego to Washington, DC?
The highway distance from San Diego to Washington, DC is approximately 4384 km. The estimated driving time is 58h 27m under normal highway conditions.
How much petrol does a car use from San Diego to Washington, DC?
A typical car with 12 km/L mileage uses approximately 365.3 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 1640.35.
How much does a lorry spend on diesel from San Diego to Washington, DC?
A lorry averaging 5 km/L needs about 876.8 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 4944.28 one-way.
What is the toll charge from San Diego to Washington, DC?
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 San Diego to Washington, DC?
A motorcycle averaging 40 km/L uses about 109.6 litres. At today's Regular price, that's USD 492.10, 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 487.1 litres, costing USD 2746.82 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 2746.82.
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