Cost to drive from Denver to Salt Lake City
Driving from Denver to Salt Lake City covers 521 miles (839 km) and takes about 9h 0min without stops. At Colorado's current fuel prices (week of 2026-07-20), the fuel for the trip costs about $71.91 in a typical petrol car — here's the full breakdown for petrol, diesel and electric.
| Location | Petrol/gal | Diesel/gal |
|---|---|---|
| Denver | $4.14 | $5.05 |
| Salt Lake City | $4.17 | $5.11 |
Enter your fuel economy and see stops along the way.
How this cost is calculated
We take the real driving distance between Denver and Salt Lake City (521 miles) from OpenStreetMap routing, then multiply by a typical car's fuel use and Colorado's current average pump price. The petrol 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 planner for your exact numbers, and check live prices on the Colorado fuel prices page.
Related routes
Frequently asked questions
How much does it cost to drive from Denver to Salt Lake City?
The drive is 521 miles (839 km) and takes about 9h 0min without stops. Fuel costs roughly $71.91 in an average petrol car, $75.30 in a diesel, and $25.32 in an electric car, using Colorado's current fuel prices.
How far is it from Denver to Salt Lake City in miles and km?
About 521 miles or 839 kilometres by road — roughly 9h 0min of driving.
Is it cheaper to fill up in Denver or Salt Lake City?
Petrol is cheaper in Colorado ($4.14/gal) than in Utah ($4.17/gal), so fill up before you leave.
How do I get the exact cost for my car?
Open the FuelWide route planner, enter your car's fuel economy, and it prices the trip on live data — and shows fuel or charging stops along the way.
Driving distance via OSRM / OpenStreetMap. Fuel prices are Colorado's current official averages; efficiency and electricity rate are typical estimates. Your figure will vary — use the planner for an exact result.