How far is Saint George, UT from Mendon, UT?
The driving distance from Saint George, UT to Mendon, UT is about 379.9 miles (611.4 km), with a travel time of about 06h 31m by car.
- The straight-line flight distance is about 329.6 miles (530.4 km).
- For a round trip, plan for roughly 13h 03m 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 31m.
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.
Sunny
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between Saint George and Mendon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint George and Mendon.
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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
315.2 mi · 5 hr 12 min · Veterans Memorial Highway
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10
Keep slight left to continue on Veterans Memorial Highway
37.9 mi · 39 min · Veterans Memorial Highway
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11
Take the exit slight right toward US 91
899 ft · 22 sec
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12
Keep slight right
1502 ft · 37 sec
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13
Merge slight left onto 1100 South
4.5 mi · 6 min · 1100 South
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14
Continue straight
12.1 mi · 14 min
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15
Turn left onto Center Street
2.3 mi · 5 min · Center Street
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16
Continue on 500 North
5 mi · 7 min · 500 North
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17
Continue on 100 North
123 m · 18 sec · 100 North
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18
Arrive at your destination
0 m · 1 sec · 100 North
Car Route Details
A richer read on the saved driving route between Saint George and Mendon.
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.
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.
Sunny leaving Saint George and Rain Showers Likely near Mendon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint George to Mendon?
The road trip is about 379.9 miles (611.4 km) and usually takes 06h 31m 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?
Scipio is a useful midpoint, sitting about 190 miles from Saint George and 189.8 miles from Mendon.
How much longer is the road route than the straight-line distance?
The direct path is about 329.6 miles (530.4 km), while the road route adds roughly 50.3 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 $52.17 one way or $104.33 round trip. Estimated CO2 is about 119.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saint George and Rain Showers Likely near Mendon.
Stop Ideas Near Scipio
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Scipio.
Provo
Helper
Flight Path Map
This map shows the direct air route between Saint George and Mendon. Straight-line distance: 329.56 mi (530.38 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 Mendon
City in Cache County, Utah, United States
| Population | 1,382 |
| Coordinates | 41.7099300, -111.9777300 |
| Altitude | 1370 |
| Country | United States |
End: Mendon (-111.97773, 41.70993)
Estimated Travel Time
Distance: 611 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 39m |
| 40 mph (64.37 km/h) | 09h 29m |
| 50 mph (80.47 km/h) | 07h 35m |
| 60 mph (96.56 km/h) | 06h 19m |
| 70 mph (112.65 km/h) | 05h 25m |
| 80 mph (129 km/h) | 04h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $52.17 | $104.33 |
| Mid-grade | $4.23 | $56.70 | $113.39 |
| Premium | $4.55 | $60.96 | $121.91 |
| Diesel | $5.41 | $72.52 | $145.04 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.