US Road Fuel Cost Estimator
Chicago → San Diego
How much petrol or diesel does it cost to drive from Chicago to San Diego? 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 375 | USD 1,877 | USD 3,754 | USD 8,258 |
Car / SUV Regular | USD 1,251 | USD 6,256 | USD 12,512 | USD 27,527 |
Van / MPV Diesel | USD 2,095 | USD 10,476 | USD 20,952 | USD 46,094 |
Lorry Diesel | USD 3,771 | USD 18,857 | USD 37,714 | USD 82,970 |
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 375.36 | USD 423.68 | — | — | USD 375.36 |
| Car / SUV | 12 | USD 1251.21 | USD 1412.28 | — | — | USD 1251.21 |
| Van / MPV | 9 | USD 1668.28 | — | — | USD 2095.20 | USD 2095.20 |
| Lorry | 5 | — | — | — | USD 3771.36 | USD 3771.36 |
"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: Chicago to San Diego
How far is Chicago to San Diego?
The highway distance from Chicago to San Diego is approximately 3344 km. The estimated driving time is 44h 35m under normal highway conditions.
How much petrol does a car use from Chicago to San Diego?
A typical car with 12 km/L mileage uses approximately 278.7 litres of petrol. At today's Regular price (USD 4.49/L), that costs USD 1251.21.
How much does a lorry spend on diesel from Chicago to San Diego?
A lorry averaging 5 km/L needs about 668.8 litres of diesel for this route. At USD 5.64/L, the fuel cost is USD 3771.36 one-way.
What is the toll charge from Chicago to San Diego?
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 Chicago to San Diego?
A motorcycle averaging 40 km/L uses about 83.6 litres. At today's Regular price, that's USD 375.36, 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 371.6 litres, costing USD 2095.20 in fuel. Add the USD 0.00 toll for a total one-way cost of approximately USD 2095.20.
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