Fuel cost calculator · About 750 miles
Gas cost from Denver to Las Vegas
The drive from Denver, CO to Las Vegas, NV is about 750 miles, so a round trip costs about $217.99 in gas at this week's average of $4.36 a gallon. Change the car, fuel or distance below for your own figure.
What the trip costs by vehicle
| Vehicle | One way | Round trip |
|---|---|---|
| Compact car (33 mpg) | $99.09 | $198.17 |
| Midsize sedan (30 mpg) | $108.99 | $217.99 |
| Hybrid (50 mpg) | $65.40 | $130.79 |
| Minivan (22 mpg) | $148.63 | $297.26 |
| SUV (24 mpg) | $136.24 | $272.49 |
| Pickup truck (19 mpg) | $172.10 | $344.19 |
Regular gas at $4.360 a gallon, the average of this week's Colorado and Nevada prices, from the EIA’s weekly survey. Fuel only: tolls and parking are not included.
Fuel economy figures are round examples for each kind of vehicle, not official ratings. Your own car's EPA rating is on fueleconomy.gov.
Distance: fastest route between city centres, rounded to the nearest 5 miles, calculated with OSRM on OpenStreetMap road data (© OpenStreetMap contributors), measured November 2026.
750 miles in Colorado
$109.00
25 gallons at $4.36 a gallon
$5.18 more than the same trip at the national average.
- Per mile
- 14.5¢
- A full tank
- $65.40
- about 450 miles
- A year of driving
- $1,744
- $145 a month
Where to fill up
Regular is about $0.58 a gallon cheaper in Colorado than in Nevada this week, $8.75 on a 15-gallon fill. Fill the tank on the Colorado side of the trip. See how Colorado’s gas tax compares.
Denver to Las Vegas by car
- How much does gas cost from Denver to Las Vegas?
- About $108.99 one way, or $217.99 for the round trip, in a car that gets 30 mpg. That assumes 750 miles and this week's average regular price of $4.36 a gallon. An SUV at 24 mpg spends about $136.24 one way; a hybrid at 50 mpg about $65.40.
- How far is Denver from Las Vegas by car?
- About 750 miles on the fastest route between the two city centres, measured on OpenStreetMap road data. Your own start and end points may make it a little longer or shorter; type your distance into the calculator for an exact figure.
- How many gallons of gas does the drive take?
- About 25.0 gallons one way at 30 mpg. That is more than a typical 15-gallon tank, so plan on at least 2 fuel stops.
- Is gas cheaper in Colorado or Nevada?
- This week regular is about $0.58 a gallon cheaper in Colorado, which is $8.75 on a 15-gallon fill. Filling up before you leave Colorado saves the most.