Cost to drive from New Orleans to Houston
Driving from New Orleans to Houston covers 349 miles (561 km) and takes about 6h 33min without stops. At Louisiana's current fuel prices (week of 2026-07-20), the fuel for the trip costs about $42.78 in a typical petrol car — here's the full breakdown for petrol, diesel and electric.
| Location | Petrol/gal | Diesel/gal |
|---|---|---|
| New Orleans | $3.68 | $4.94 |
| Houston | $3.71 | $4.90 |
Enter your fuel economy and see stops along the way.
How this cost is calculated
We take the real driving distance between New Orleans and Houston (349 miles) from OpenStreetMap routing, then multiply by a typical car's fuel use and Louisiana's current average pump price. The petrol figure assumes 30 MPG · 7.8 L/100km; diesel and EV use 35 MPG · 6.7 L/100km and 3.5 mi/kWh. Your real cost depends on your car, traffic, driving style and the stations you pick — use the planner for your exact numbers, and check live prices on the Louisiana fuel prices page.
Related routes
Frequently asked questions
How much does it cost to drive from New Orleans to Houston?
The drive is 349 miles (561 km) and takes about 6h 33min without stops. Fuel costs roughly $42.78 in an average petrol car, $49.19 in a diesel, and $16.93 in an electric car, using Louisiana's current fuel prices.
How far is it from New Orleans to Houston in miles and km?
About 349 miles or 561 kilometres by road — roughly 6h 33min of driving.
Is it cheaper to fill up in New Orleans or Houston?
Petrol is cheaper in Louisiana ($3.68/gal) than in Texas ($3.71/gal), so fill up before you leave.
How do I get the exact cost for my car?
Open the FuelWide route planner, enter your car's fuel economy, and it prices the trip on live data — and shows fuel or charging stops along the way.
Driving distance via OSRM / OpenStreetMap. Fuel prices are Louisiana's current official averages; efficiency and electricity rate are typical estimates. Your figure will vary — use the planner for an exact result.