How far is Saint George, UT from Duchesne, UT?
The driving distance from Saint George, UT to Duchesne, UT is about 344.4 miles (554.2 km), with a travel time of about 06h 11m by car.
- The straight-line flight distance is about 272.3 miles (438.2 km).
- For a round trip, plan for roughly 12h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 11m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Saint George and Duchesne.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint George and Duchesne.
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1
Start on the route
156 m · 39 sec
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2
Turn right onto 100 West
118 m · 19 sec · 100 West
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3
Turn right onto 200 South
610 ft · 32 sec · 200 South
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4
Turn left onto Main Street
1211 ft · 36 sec · Main Street
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5
Enter the roundabout and take exit 2 toward Main Street
25 m · 2 sec · Main Street
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6
Exit the roundabout onto Main Street
569 ft · 16 sec · Main Street
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7
Turn right onto Saint George Boulevard
1.4 mi · 4 min · Saint George Boulevard
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8
Take the ramp slight left toward I 15 North: Salt Lake City
1795 ft · 44 sec
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9
Merge slight left onto Veterans Memorial Highway
248.2 mi · 4 hr 1 min · Veterans Memorial Highway
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10
Take the exit slight right toward SR 156, US 6 East: Spanish Fork, Main Street, Price
1146 ft · 24 sec
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11
Keep slight right to continue on US 6 East: Price
4.4 mi · 7 min
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12
Continue on Dinosaur Diamond Prehistoric Highway
33.2 mi · 40 min · Dinosaur Diamond Prehistoric Highway
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13
Continue on State Street
1.1 km · 58 sec · State Street
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14
Continue on Dinosaur Diamond Prehistoric Highway
10 mi · 12 min · Dinosaur Diamond Prehistoric Highway
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15
Turn left onto Kyune Pass Road
3.6 mi · 6 min · Kyune Pass Road
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16
Continue on Emma Park Road
5.8 mi · 10 min · Emma Park Road
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17
At the end of the road, turn left onto Dinosaur Diamond Prehistoric Highway
35.5 mi · 48 min · Dinosaur Diamond Prehistoric Highway
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18
Continue on South 100 West Street
1984 ft · 39 sec · South 100 West Street
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19
Arrive at your destination
0 m · 1 sec · South 100 West Street
Car Route Details
A richer read on the saved driving route between Saint George and Duchesne.
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.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Sunny leaving Saint George and Sunny near Duchesne.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint George to Duchesne?
The road trip is about 344.4 miles (554.2 km) and usually takes 06h 11m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Holden is a useful midpoint, sitting about 172.2 miles from Saint George and 172.1 miles from Duchesne.
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 72.1 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 7:30 AM MDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $47.30 one way or $94.60 round trip. Estimated CO2 is about 108 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Saint George and Sunny near Duchesne.
Flight Path Map
This map shows the direct air route between Saint George and Duchesne. Straight-line distance: 272.27 mi (438.18 km).
#1 Saint George
The most populous city in Washington County, Utah.
| Population | 92,378 |
| Coordinates | 37.1041500, -113.5841200 |
| Altitude | 823 |
| Country | United States |
#2 Duchesne
City in Duchesne County, Utah, United States
| Population | 1,725 |
| Coordinates | 40.1632900, -110.4029300 |
| Altitude | 1682 |
| Country | United States |
End: Duchesne (-110.40293, 40.16329)
Estimated Travel Time
Distance: 554 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 28m |
| 40 mph (64.37 km/h) | 08h 36m |
| 50 mph (80.47 km/h) | 06h 53m |
| 60 mph (96.56 km/h) | 05h 44m |
| 70 mph (112.65 km/h) | 04h 55m |
| 80 mph (129 km/h) | 04h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $47.30 | $94.60 |
| Mid-grade | $4.23 | $51.41 | $102.81 |
| Premium | $4.55 | $55.27 | $110.54 |
| Diesel | $5.41 | $65.76 | $131.51 |
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.