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FuelWide

Cost to drive from Denver to Las Vegas

Driving from Denver to Las Vegas covers 749 miles (1,205 km) and takes about 12h 54min without stops. At the latest average price in each state along the way, the gas for the trip costs about $116 in a typical gas car — here's the full breakdown for gas, diesel and electric.

DenverLas Vegas
450 mi
749 miles (1,205 km)12h 54min driving1 fuel stop

State by state: where the gas money goes

The 25 gal a typical gas car burns on this drive, priced where it is burned.

Colorado271 mi · 9 gal at $4.41/gal$39.88
Utah367 mi · 12.2 gal at $4.68/gal$57.15
Arizona29 mi · 1 gal at $4.52/gal$4.39
Nevada82 mi · 2.7 gal at $5.30/gal$14.46
Gas for the whole drive$116

Where to fill up

This route is already close to the lowest-cost option — refuel whenever it suits you.

  1. 1.Any station in Coloradoat 159 mi11.9 gal at $4.41/gal
  2. 2.Any station in Utahat 515 mi7.8 gal at $4.68/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$115.85
30 MPG · 25 gal
Diesel$139.79
35 MPG · 21.4 gal
Electriccheapest$36.37
3.5 mi/kWh · 213.9 kWh

Driving Denver → Las Vegas in a family car, electric costs $103.42 less than diesel — 74% of the bill.

Fuel needed
25 gal
petrol
Tank fills
1.7
15 gal tank
Per mile
$0.155
fuel only
Per person
$115.85
1 traveller
Driving time
12h 54m
one way
CO₂
218 kg
tailpipe

Denver vs Las Vegas: 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.

$4.41/galPetrol$5.30/gal
Denver cheaper by $0.89 · $13.35 on a 15 gal fill
$6.60/galDiesel$6.86/gal
Denver cheaper by $0.26 · $3.87 on a 15 gal fill
$0.17/kWhElectricity$0.17/kWh
Same price at both ends
Fill up in Denver. The 25.0 gal this 749-mile drive needs costs $22.22 less bought there — about 17% off the fuel bill, before you have driven a metre differently.
Official averages, week of 2026-10-19. 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 749 miles in a typical petrol car at four price levels.

If prices fall 10%$104$-12
At today's prices$116—
If prices rise 10%$127+$12
If prices rise 25%$145+$29
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 Denver and Las Vegas (749 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 Colorado fuel prices page.

Related routes

Frequently asked questions

How much does it cost to drive from Denver to Las Vegas?

The drive is 749 miles (1,205 km) and takes about 12h 54min without stops. Gas costs roughly $115.88 in an average gas car, $139.82 in a diesel, and $36.37 in an electric car, using the latest average price in each state along the way.

Which state has the cheapest gas between Denver and Las Vegas?

Colorado, at $4.41/gal on average, against $5.30/gal in Nevada. On this route the difference makes little change to the total.

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

About 749 miles or 1,205 kilometres by road — roughly 12h 54min of driving.

Is it cheaper to fill up in Denver or Las Vegas?

Petrol is cheaper in Colorado ($4.41/gal) than in Nevada ($5.30/gal), so fill up before you leave.

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

About 1 stop. The drive uses roughly 25.0 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 Denver to Las Vegas?

On fuel alone the drive costs about $116 one way, and that cost splits across everyone in the car — with $29 each for four people, which is where driving usually wins. Against that, the drive takes 12h 54min 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 $116. A 10% rise takes it to $127, a 25% rise to $145, and a 10% fall to $104. 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 where refuelling is cheaper (state averages in the US, individual forecourt prices where a country publishes them).

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.