How far is Duchesne, UT from Saint George, UT?
The driving distance from Duchesne, UT to Saint George, UT is about 341.7 miles (549.9 km), with a travel time of about 05h 41m by car.
- The straight-line flight distance is about 272.3 miles (438.2 km).
- For a round trip, plan for roughly 11h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 05h 41m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Millard County, Utah, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Duchesne and Saint George.
Turn-by-Turn Driving Directions
Step-by-step road directions between Duchesne and Saint George.
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1
Start on South 100 West Street
1984 ft · 37 sec · South 100 West Street
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2
Continue on Dinosaur Diamond Prehistoric Highway
35.5 mi · 48 min · Dinosaur Diamond Prehistoric Highway
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3
Turn right onto Emma Park Road
5.8 mi · 10 min · Emma Park Road
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4
Continue on Kyune Pass Road
3.6 mi · 6 min · Kyune Pass Road
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5
At the end of the road, turn right onto Dinosaur Diamond Prehistoric Highway
10 mi · 12 min · Dinosaur Diamond Prehistoric Highway
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6
Continue on State Street
1.1 km · 58 sec · State Street
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7
Continue on Dinosaur Diamond Prehistoric Highway
33.2 mi · 40 min · Dinosaur Diamond Prehistoric Highway
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8
Continue on East US-6
3.6 mi · 5 min · East US-6
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9
Continue on Dinosaur Diamond Prehistoric Highway
1.1 mi · 2 min · Dinosaur Diamond Prehistoric Highway
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10
Merge slight left onto Veterans Memorial Highway
248.3 mi · 4 hr 1 min · Veterans Memorial Highway
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11
Take the exit slight right toward SR 34: Saint George Boulevard
1.3 km · 2 min
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12
Turn left onto University Avenue
2490 ft · 1 min · University Avenue
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13
Turn right onto Trailblazer Boulevard
1.5 km · 2 min · Trailblazer Boulevard
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14
Turn right onto 100 West
70 m · 12 sec · 100 West
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15
Turn right
156 m · 37 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Duchesne and Saint George.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Veterans Memorial Highway
Merge slight left onto Veterans Memorial Highway
248 mi · 04h 01m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Duchesne and Sunny near Saint George.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Duchesne to Saint George?
The road trip is about 341.7 miles (549.9 km) and usually takes 05h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Holden is a useful midpoint, sitting about 172.2 miles from Duchesne and 169.5 miles from Saint George.
How much longer is the road route than the straight-line distance?
The direct path is about 272.3 miles (438.2 km), while the road route adds roughly 69.4 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:38 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.95 one way or $93.90 round trip. Estimated CO2 is about 107.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Duchesne and Sunny near Saint George.
Flight Path Map
This map shows the direct air route between Duchesne and Saint George. Straight-line distance: 272.27 mi (438.18 km).
#1 Duchesne
City in Duchesne County, Utah, United States
| Population | 1,725 |
| Coordinates | 40.1632900, -110.4029300 |
| Altitude | 1682 |
| Country | United States |
#2 Saint George
The most populous city in Washington County, Utah.
| Population | 92,378 |
| Coordinates | 37.1041500, -113.5841200 |
| Altitude | 823 |
| Country | United States |
End: (-113.584121, 37.104063)
Estimated Travel Time
Distance: 550 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 23m |
| 40 mph (64.37 km/h) | 08h 32m |
| 50 mph (80.47 km/h) | 06h 50m |
| 60 mph (96.56 km/h) | 05h 41m |
| 70 mph (112.65 km/h) | 04h 52m |
| 80 mph (129 km/h) | 04h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $46.95 | $93.90 |
| Mid-grade | $4.23 | $51.03 | $102.05 |
| Premium | $4.55 | $54.86 | $109.72 |
| Diesel | $5.41 | $65.27 | $130.54 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Utah · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.