How far is Mountain Green, UT from Saint George, UT?
The driving distance from Mountain Green, UT to Saint George, UT is about 337.8 miles (543.7 km), with a travel time of about 04h 58m by car.
- The straight-line flight distance is about 295.1 miles (474.9 km).
- For a round trip, plan for roughly 09h 57m 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 04h 58m.
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 Mountain Green and Saint George.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mountain Green and Saint George.
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1
Start on Old Highway Road
2 mi · 4 min · Old Highway Road
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2
Take the ramp straight toward I 84 West: Ogden
1516 ft · 37 sec
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3
Merge slight left
4.3 mi · 5 min
-
4
Take the exit slight right toward US 89 South: Salt Lake City
1436 ft · 49 sec
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5
Merge slight left
10.3 mi · 12 min
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6
Keep slight right
11 mi · 12 min
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7
Keep slight left to continue on Veterans Memorial Highway
8.2 mi · 9 min · Veterans Memorial Highway
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8
Keep slight left to continue on Veterans Memorial Highway
296.5 mi · 4 hr 52 min · Veterans Memorial Highway
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9
Take the exit slight right toward SR 34: Saint George Boulevard
1.3 km · 2 min
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10
Turn left onto University Avenue
2490 ft · 1 min · University Avenue
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11
Turn right onto Trailblazer Boulevard
1.5 km · 2 min · Trailblazer Boulevard
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12
Turn right onto 100 West
70 m · 12 sec · 100 West
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13
Turn right
156 m · 37 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Mountain Green 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
Keep slight left to continue on Veterans Memorial Highway
296 mi · 04h 52m
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 Mountain Green 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 Mountain Green to Saint George?
The road trip is about 337.8 miles (543.7 km) and usually takes 04h 58m 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 167.6 miles from Mountain Green and 170.3 miles from Saint George.
How much longer is the road route than the straight-line distance?
The direct path is about 295.1 miles (474.9 km), while the road route adds roughly 42.7 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 7:02 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $57.57 one way or $115.15 round trip. Estimated CO2 is about 105.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Mountain Green and Sunny near Saint George.
Flight Path Map
This map shows the direct air route between Mountain Green and Saint George. Straight-line distance: 295.11 mi (474.94 km).
#1 Mountain Green
Situated at an elevation of approximately 4879 feet in Morgan County, Utah, this census-designated place lies within a valley of the Wasatch Back along the Weber River.
| Population | 0 |
| Coordinates | 41.1430000, -111.7916000 |
| Altitude | 1487 |
| 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: 544 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 15m |
| 40 mph (64.37 km/h) | 08h 26m |
| 50 mph (80.47 km/h) | 06h 45m |
| 60 mph (96.56 km/h) | 05h 37m |
| 70 mph (112.65 km/h) | 04h 49m |
| 80 mph (129 km/h) | 04h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.83 | $57.57 | $115.15 |
| Mid-grade | $5.12 | $61.07 | $122.13 |
| Premium | $5.36 | $63.87 | $127.73 |
| Diesel | $6.28 | $74.86 | $149.72 |
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 · Oct 15, 2026