How far is Monticello, UT from Saint George, UT?
The driving distance from Monticello, UT to Saint George, UT is about 395.6 miles (636.7 km), with a travel time of about 05h 58m by car.
- The straight-line flight distance is about 238.5 miles (383.8 km).
- For a round trip, plan for roughly 11h 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 05h 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.
City in Sevier 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 Monticello and Saint George.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monticello and Saint George.
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1
Start on South Main Street
56.4 mi · 1 hr 11 min · South Main Street
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2
Continue on Dinosaur Diamond Prehistoric Highway
29 mi · 34 min · Dinosaur Diamond Prehistoric Highway
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3
Take the exit left toward I-70 West
2377 ft · 58 sec
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4
Merge slight left onto Dinosaur Diamond Prehistoric Highway
23.4 mi · 22 min · Dinosaur Diamond Prehistoric Highway
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5
Continue straight
158.1 mi · 2 hr 33 min
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6
Keep slight left to continue on I 15 South: Las Vegas
1.2 mi · 3 min
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7
Merge slight left onto Veterans Memorial Highway
122.6 mi · 1 hr 57 min · Veterans Memorial Highway
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8
Take the exit slight right toward SR 34: Saint George Boulevard
1.3 km · 2 min
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9
Turn left onto University Avenue
2490 ft · 1 min · University Avenue
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10
Turn right onto Trailblazer Boulevard
1.5 km · 2 min · Trailblazer Boulevard
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11
Turn right onto 100 West
70 m · 12 sec · 100 West
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12
Turn right
156 m · 37 sec
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13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Monticello and Saint George.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Dinosaur Diamond Prehistoric Highway
Continue straight
158 mi · 02h 33m
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.
Mostly Sunny leaving Monticello 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 Monticello to Saint George?
The road trip is about 395.6 miles (636.7 km) and usually takes 05h 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?
Salina is a useful midpoint, sitting about 196.7 miles from Monticello and 199 miles from Saint George.
How much longer is the road route than the straight-line distance?
The direct path is about 238.5 miles (383.8 km), while the road route adds roughly 157.1 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 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:02 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $54.35 one way or $108.69 round trip. Estimated CO2 is about 124.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Monticello and Sunny near Saint George.
Stop Ideas Near Salina
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 Salina.
Helper
Flight Path Map
This map shows the direct air route between Monticello and Saint George. Straight-line distance: 238.46 mi (383.77 km).
#1 Monticello
City in southeast Utah
| Population | 1,955 |
| Coordinates | 37.8713800, -109.3428900 |
| Altitude | 2155 |
| 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: 637 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 10m |
| 40 mph (64.37 km/h) | 09h 53m |
| 50 mph (80.47 km/h) | 07h 54m |
| 60 mph (96.56 km/h) | 06h 35m |
| 70 mph (112.65 km/h) | 05h 39m |
| 80 mph (129 km/h) | 04h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $54.35 | $108.69 |
| Mid-grade | $4.23 | $59.06 | $118.13 |
| Premium | $4.55 | $63.50 | $127.01 |
| Diesel | $5.41 | $75.55 | $151.10 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.