How far is Saint George, UT from Mountain Green, UT?
The driving distance from Saint George, UT to Mountain Green, UT is about 335 miles (539.1 km), with a travel time of about 05h 41m by car.
- The straight-line flight distance is about 295.1 miles (474.9 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 Saint George and Mountain Green.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint George and Mountain Green.
-
1
Start on the route
156 m · 39 sec
-
2
Turn right onto 100 West
118 m · 19 sec · 100 West
-
3
Turn right onto 200 South
610 ft · 32 sec · 200 South
-
4
Turn left onto Main Street
1211 ft · 36 sec · Main Street
-
5
Enter the roundabout and take exit 2 toward Main Street
25 m · 2 sec · Main Street
-
6
Exit the roundabout onto Main Street
569 ft · 16 sec · Main Street
-
7
Turn right onto Saint George Boulevard
1.4 mi · 4 min · Saint George Boulevard
-
8
Take the ramp slight left toward I 15 North: Salt Lake City
1795 ft · 44 sec
-
9
Merge slight left onto Veterans Memorial Highway
315.2 mi · 5 hr 12 min · Veterans Memorial Highway
-
10
Keep slight right to continue on South Ogden
5.6 mi · 7 min
-
11
Take the exit slight right toward SR 109
3181 ft · 42 sec · Oak Hills Drive Exit
-
12
Merge slight left
4.5 mi · 5 min
-
13
Take the exit slight right toward Morgan, Evanston, Ski Areas
1655 ft · 40 sec
-
14
Merge slight left
4.1 mi · 5 min
-
15
Take the exit slight right toward SR 167: Mountain Green, Huntsville
1344 ft · 38 sec
-
16
Continue on 6300 West
113 m · 9 sec · 6300 West
-
17
Turn right onto Old Highway Road
2 mi · 4 min · Old Highway Road
-
18
Arrive at your destination
0 m · 1 sec · Old Highway Road
Car Route Details
A richer read on the saved driving route between Saint George and Mountain Green.
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
315 mi · 05h 12m
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 Saint George and Sunny near Mountain Green.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint George to Mountain Green?
The road trip is about 335 miles (539.1 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 167.6 miles from Saint George and 167.4 miles from Mountain Green.
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 39.9 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 $57.09 one way or $114.18 round trip. Estimated CO2 is about 105 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint George and Sunny near Mountain Green.
Flight Path Map
This map shows the direct air route between Saint George and Mountain Green. Straight-line distance: 295.11 mi (474.94 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 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 |
End: Mountain Green (-111.7916, 41.143)
Estimated Travel Time
Distance: 539 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 09m |
| 40 mph (64.37 km/h) | 08h 22m |
| 50 mph (80.47 km/h) | 06h 41m |
| 60 mph (96.56 km/h) | 05h 34m |
| 70 mph (112.65 km/h) | 04h 47m |
| 80 mph (129 km/h) | 04h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.83 | $57.09 | $114.18 |
| Mid-grade | $5.12 | $60.55 | $121.11 |
| Premium | $5.36 | $63.33 | $126.66 |
| Diesel | $6.28 | $74.23 | $148.46 |
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