How far is O'Fallon, MO from Fayette, MO?
The driving distance from O'Fallon, MO to Fayette, MO is about 118.8 miles (191.2 km), with a travel time of about 02h 25m by car.
- The straight-line flight distance is about 109.1 miles (175.5 km).
- For a round trip, plan for roughly 04h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 25m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Human settlement in Callaway County, Missouri, United States of America
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 O'Fallon and Fayette.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Fayette.
-
1
Start on the route
8 m · 7 sec
-
2
Turn left onto South Main Street
3116 ft · 2 min · South Main Street
-
3
Turn left onto I 70 East
10 m · 6 sec
-
4
Turn sharp left onto South Main Street
87 m · 11 sec · South Main Street
-
5
Turn left onto West Terra Lane
576 ft · 12 sec · West Terra Lane
-
6
Take the ramp straight toward I 70 West
146 m · 7 sec
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7
Merge slight left
96.2 mi · 1 hr 54 min
-
8
Take the exit slight right toward MO UU, US 40, MO 240: Fayette
9 mi · 12 min
-
9
Turn right
3139 ft · 49 sec
-
10
Keep slight right
12.2 mi · 17 min
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11
Arrive at your destination
0 m · 1 sec · North Church Street
Car Route Details
A richer read on the saved driving route between O'Fallon and Fayette.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight left
96.2 mi · 01h 54m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving O'Fallon and Sunny near Fayette.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Fayette?
The road trip is about 118.8 miles (191.2 km) and usually takes 02h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Kingdom City is a useful midpoint, sitting about 59.3 miles from O'Fallon and 59.5 miles from Fayette.
How much longer is the road route than the straight-line distance?
The direct path is about 109.1 miles (175.5 km), while the road route adds roughly 9.7 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.80 one way or $31.60 round trip. Estimated CO2 is about 37.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around O'Fallon and Sunny near Fayette.
Stop Ideas Near Kingdom City
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 Kingdom City.
Jefferson City
Hermann
Washington
Sedalia
Flight Path Map
This map shows the direct air route between O'Fallon and Fayette. Straight-line distance: 109.05 mi (175.5 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 Fayette
City in Howard County, Missouri
| Population | 2,682 |
| Coordinates | 39.1458700, -92.6837900 |
| Altitude | 214 |
| Country | United States |
End: Fayette (-92.68379, 39.14587)
Estimated Travel Time
Distance: 191 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 57m |
| 40 mph (64.37 km/h) | 02h 58m |
| 50 mph (80.47 km/h) | 02h 22m |
| 60 mph (96.56 km/h) | 01h 58m |
| 70 mph (112.65 km/h) | 01h 41m |
| 80 mph (129 km/h) | 01h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.80 | $31.60 |
| Mid-grade | $4.25 | $17.82 | $35.64 |
| Premium | $4.65 | $19.50 | $39.00 |
| Diesel | $5.30 | $22.22 | $44.45 |
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 Missouri · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.