Fuel cost calculator · About 285 miles
Gas cost from Phoenix to Las Vegas
The drive from Phoenix, AZ to Las Vegas, NV is about 285 miles, so a round trip costs about $87.92 in gas at this week's average of $4.63 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) | $39.97 | $79.93 |
| Midsize sedan (30 mpg) | $43.96 | $87.92 |
| Hybrid (50 mpg) | $26.38 | $52.75 |
| Minivan (22 mpg) | $59.95 | $119.90 |
| SUV (24 mpg) | $54.95 | $109.90 |
| Pickup truck (19 mpg) | $69.41 | $138.83 |
Regular gas at $4.628 a gallon, the average of this week's Arizona 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.
285 miles in Arizona
$43.99
9.5 gallons at $4.63 a gallon
$4.53 more than the same trip at the national average.
- Per mile
- 15.4¢
- A full tank
- $69.45
- about 450 miles
- A year of driving
- $1,852
- $154 a month
Phoenix to Las Vegas by car
- How much does gas cost from Phoenix to Las Vegas?
- About $43.96 one way, or $87.92 for the round trip, in a car that gets 30 mpg. That assumes 285 miles and this week's average regular price of $4.63 a gallon. An SUV at 24 mpg spends about $54.95 one way; a hybrid at 50 mpg about $26.38.
- How far is Phoenix from Las Vegas by car?
- About 285 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 9.5 gallons one way at 30 mpg. That fits in a typical 15-gallon tank, so most cars can make it without stopping for fuel.