US Road Fuel Cost Estimator
Boston → San Antonio
How much petrol or diesel does it cost to drive from Boston to San Antonio? 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 383 | USD 1,913 | USD 3,827 | USD 8,419 |
Car / SUV Regular | USD 1,276 | USD 6,378 | USD 12,755 | USD 28,062 |
Van / MPV Diesel | USD 2,136 | USD 10,680 | USD 21,359 | USD 46,990 |
Lorry Diesel | USD 3,845 | USD 19,223 | USD 38,447 | USD 84,583 |
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 382.66 | USD 431.92 | — | — | USD 382.66 |
| Car / SUV | 12 | USD 1275.53 | USD 1439.73 | — | — | USD 1275.53 |
| Van / MPV | 9 | USD 1700.71 | — | — | USD 2135.93 | USD 2135.93 |
| Lorry | 5 | — | — | — | USD 3844.67 | USD 3844.67 |
"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: Boston to San Antonio
How far is Boston to San Antonio?
The highway distance from Boston to San Antonio is approximately 3409 km. The estimated driving time is 45h 27m under normal highway conditions.
How much petrol does a car use from Boston to San Antonio?
A typical car with 12 km/L mileage uses approximately 284.1 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 1275.53.
How much does a lorry spend on diesel from Boston to San Antonio?
A lorry averaging 5 km/L needs about 681.8 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 3844.67 one-way.
What is the toll charge from Boston to San Antonio?
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 Boston to San Antonio?
A motorcycle averaging 40 km/L uses about 85.2 litres. At today's Regular price, that's USD 382.66, 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 378.8 litres, costing USD 2135.93 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 2135.93.
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