US Road Fuel Cost Estimator
San Antonio → Washington, DC
How much petrol or diesel does it cost to drive from San Antonio 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 300 | USD 1,502 | USD 3,004 | USD 6,608 |
Car / SUV Regular | USD 1,001 | USD 5,006 | USD 10,013 | USD 22,028 |
Van / MPV Diesel | USD 1,677 | USD 8,383 | USD 16,767 | USD 36,887 |
Lorry Diesel | USD 3,018 | USD 15,090 | USD 30,180 | USD 66,396 |
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 300.38 | USD 339.05 | — | — | USD 300.38 |
| Car / SUV | 12 | USD 1001.27 | USD 1130.16 | — | — | USD 1001.27 |
| Van / MPV | 9 | USD 1335.03 | — | — | USD 1676.66 | USD 1676.66 |
| Lorry | 5 | — | — | — | USD 3017.99 | USD 3017.99 |
"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 Antonio to Washington, DC
How far is San Antonio to Washington, DC?
The highway distance from San Antonio to Washington, DC is approximately 2676 km. The estimated driving time is 35h 41m under normal highway conditions.
How much petrol does a car use from San Antonio to Washington, DC?
A typical car with 12 km/L mileage uses approximately 223.0 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 1001.27.
How much does a lorry spend on diesel from San Antonio to Washington, DC?
A lorry averaging 5 km/L needs about 535.2 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 3017.99 one-way.
What is the toll charge from San Antonio 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 Antonio to Washington, DC?
A motorcycle averaging 40 km/L uses about 66.9 litres. At today's Regular price, that's USD 300.38, 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 297.3 litres, costing USD 1676.66 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 1676.66.
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