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FuelWide

Cost to drive from Dallas to Denver

Driving from Dallas to Denver covers 795 miles (1,280 km) and takes about 14h 20min without stops. At the latest average price in each state along the way, the gas for the trip costs about $109 in a typical gas car — here's the full breakdown for gas, diesel and electric.

DallasDenver
450 mi
795 miles (1,280 km)14h 20min driving1 fuel stop

State by state: where the gas money goes

The 26.5 gal a typical gas car burns on this drive, priced where it is burned.

Texas486 mi · 16.2 gal at $3.94/gal$63.80
New Mexico99 mi · 3.3 gal at $4.47/gal$14.84
Colorado209 mi · 7 gal at $4.37/gal$30.52
Gas for the whole drive$109

Where to fill up

Filling up at these stops instead of wherever the tank runs low saves about $5 (4.6%).

  1. 1.Fill up before you leave Dallasat 0 mi6.6 gal at $3.94/gal
  2. 2.Any station in Texasat 348 mi11.6 gal at $3.94/gal
  3. 3.Any station in Texasat 486 mi3 gal at $3.94/gal

Assumes a 13-gallon tank that starts half full. Your car will differ — plan it with your own numbers.

Tolls and vignettes: not included — we hold no verified toll tariffs for United States, and we don't guess them.

Gas, diesel or electric — priced for your car

Pick the kind of car you drive and whether you are coming back. Prices are the average across every state on the route.

Price this trip
1 person
Petrol$109.11
30 MPG · 26.5 gal
Diesel$137.06
35 MPG · 22.7 gal
Electriccheapest$38.63
3.5 mi/kWh · 227.2 kWh

Driving DallasDenver in a family car, electric costs $98.43 less than diesel72% of the bill.

Fuel needed
26.5 gal
petrol
Tank fills
1.8
15 gal tank
Per mile
$0.137
fuel only
Per person
$109.11
1 traveller
Driving time
14h 20m
one way
CO₂
232 kg
tailpipe

Dallas vs Denver: which end is cheaper?

The two ends of this route are priced by different markets, so where you fill up changes what the drive costs.

$3.94/galPetrol$4.37/gal
Dallas cheaper by $0.44 · $6.54 on a 15 gal fill
$5.96/galDiesel$6.04/gal
Dallas cheaper by $0.08 · $1.25 on a 15 gal fill
$0.17/kWhElectricity$0.17/kWh
Same price at both ends
Fill up in Dallas. The 26.5 gal this 795-mile drive needs costs $11.55 less bought there — about 10% off the fuel bill, before you have driven a metre differently.
Official averages, week of 2026-09-14. Electricity is a typical domestic rate; public rapid charging costs two to three times more.

What if fuel prices move?

Booking this drive for later in the year? Pump prices swing with crude, season and tax changes — here is the same 795 miles in a typical petrol car at four price levels.

If prices fall 10%$98$-11
At today's prices$109
If prices rise 10%$120+$11
If prices rise 25%$136+$27
Exact cost for your car

Your car's mpg, tank and fuel level — plus tolls, route options and the cheapest stops.

Plan this trip →

How this cost is calculated

We take the real driving route between Dallas and Denver (795 miles) from OpenStreetMap routing, work out how far it runs in each state, and price the fuel a typical car burns in each one at that place's latest published average. The gas 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 trip planner for your exact numbers, or check prices on the Texas fuel prices page.

Related routes

Frequently asked questions

How much does it cost to drive from Dallas to Denver?

The drive is 795 miles (1,280 km) and takes about 14h 20min without stops. Gas costs roughly $109.15 in an average gas car, $137.02 in a diesel, and $38.63 in an electric car, using the latest average price in each state along the way.

Which state has the cheapest gas between Dallas and Denver?

Texas, at $3.94/gal on average, against $4.47/gal in New Mexico. Timing your fill-ups around that difference saves about $5 in a typical car.

How far is it from Dallas to Denver in miles and km?

About 795 miles or 1,280 kilometres by road — roughly 14h 20min of driving.

Is it cheaper to fill up in Dallas or Denver?

Petrol is cheaper in Texas ($3.94/gal) than in Colorado ($4.37/gal), so fill up before you leave.

How many times will I need to fill up between Dallas and Denver?

About 1 stop. The drive uses roughly 26.5 gal of petrol, and a typical 15 gal tank goes about 450 miles — so plan to refuel roughly every 450 miles, leaving a reserve.

Is it cheaper to drive or fly from Dallas to Denver?

On fuel alone the drive costs about $109 one way, and that cost splits across everyone in the car — with $27 each for four people, which is where driving usually wins. Against that, the drive takes 14h 20min without stops, and a fair comparison also counts tolls, parking, wear and any overnight stay.

What will this trip cost if fuel prices change?

At today's prices the gas is about $109. A 10% rise takes it to $120, a 25% rise to $136, and a 10% fall to $98. Prices here refresh as each source publishes, so this page always reflects the latest figures.

How do I get the exact cost for my car?

Set the vehicle type on this page for an instant estimate, or open the FuelWide trip planner with your car's fuel economy, tank size and how full it is — it prices the drive state by state and suggests the cheapest places to stop.

Driving distance via OSRM / OpenStreetMap. Fuel prices are the latest published averages for each state on the route (sources named on each price page); efficiency and electricity rates are typical estimates, and tolls are not included unless listed above. Your figure will vary — use the planner for an exact result.