Fuel cost calculator · About 520 miles
Gas cost from Denver to Salt Lake City
The drive from Denver, CO to Salt Lake City, UT is about 520 miles, so a round trip costs about $144.69 in gas at this week's average of $4.17 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) | $65.77 | $131.54 |
| Midsize sedan (30 mpg) | $72.35 | $144.69 |
| Hybrid (50 mpg) | $43.41 | $86.81 |
| Minivan (22 mpg) | $98.65 | $197.31 |
| SUV (24 mpg) | $90.43 | $180.86 |
| Pickup truck (19 mpg) | $114.23 | $228.46 |
Regular gas at $4.174 a gallon, the average of this week's Colorado and Utah 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.
520 miles in Colorado
$72.28
17.3 gallons at $4.17 a gallon
$0.29 more than the same trip at the national average.
- Per mile
- 13.9¢
- A full tank
- $62.55
- about 450 miles
- A year of driving
- $1,668
- $139 a month
Where to fill up
Regular is about $0.21 a gallon cheaper in Colorado than in Utah this week, $3.17 on a 15-gallon fill. Fill the tank on the Colorado side of the trip. See how Colorado’s gas tax compares.
Denver to Salt Lake City by car
- How much does gas cost from Denver to Salt Lake City?
- About $72.35 one way, or $144.69 for the round trip, in a car that gets 30 mpg. That assumes 520 miles and this week's average regular price of $4.17 a gallon. An SUV at 24 mpg spends about $90.43 one way; a hybrid at 50 mpg about $43.41.
- How far is Denver from Salt Lake City by car?
- About 520 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 17.3 gallons one way at 30 mpg. That is more than a typical 15-gallon tank, so plan on at least 1 fuel stop.
- Is gas cheaper in Colorado or Utah?
- This week regular is about $0.21 a gallon cheaper in Colorado, which is $3.17 on a 15-gallon fill. About 8¢ of that gap is state fuel tax. Filling up before you leave Colorado saves the most.