USA › Road trip gas calculator › Dallas to Houston
Dallas to Houston: gas cost
About 239 miles one way. Fuel cost at this week’s average regular price in Texas: $3.779 per gallon (EIA, week of Oct 12, 2026).
Fuel cost by vehicle
| Vehicle | MPG | Gallons | One way | Round trip |
|---|---|---|---|---|
| Compact car | 35 | 6.8 | $25.81 | $51.61 |
| Midsize sedan | 30 | 8.0 | $30.11 | $60.21 |
| SUV / crossover | 24 | 10.0 | $37.63 | $75.27 |
| Pickup truck | 18 | 13.3 | $50.18 | $100.35 |
💡 Texas has some of the cheapest gas in the country; Buc-ee's and big truck stops along I-45 are popular stops.
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Popular road trips
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|---|---|---|
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| Los Angeles → New York City | 2,790 | $402.78 |
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FAQ
How much does it cost to drive from Dallas to Houston?
At about 239 miles and this week’s average of $3.779 per gallon (Texas), a car averaging 30 MPG uses about 8.0 gallons – roughly $30.11 one way or $60.21 round trip.
How many gallons of gas from Dallas to Houston?
About 6.8 gallons for a 35 MPG car, 10.0 for a 24 MPG SUV and 13.3 for an 18 MPG pickup.
Gas prices by state this week → · Gas price history → · More calculators →
Distances are approximate driving distances. Gas prices: U.S. Energy Information Administration weekly averages for regular gasoline; actual prices along the route vary.