How far is Center, MO from O'Fallon, MO?
The driving distance from Center, MO to O'Fallon, MO is about 82.1 miles (132.1 km), with a travel time of about 01h 18m by car.
- The straight-line flight distance is about 65.6 miles (105.5 km).
- For a round trip, plan for roughly 02h 36m 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 01h 18m.
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.
Village in Pike County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Center and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Center and O'Fallon.
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1
Start on East Lamb Street
31 m · 7 sec · East Lamb Street
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2
Turn right onto South Public Street
94 m · 9 sec · South Public Street
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3
Turn right
8.3 mi · 9 min
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4
Take the exit right
1338 ft · 37 sec
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5
Merge slight left onto Avenue of the Saints
65.5 mi · 1 hr 17 min · Avenue of the Saints
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6
Take the exit slight left toward I 70 East: Saint Louis
2705 ft · 51 sec
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7
Merge slight left onto Dwight D Eisenhower Highway
6.4 mi · 8 min · Dwight D Eisenhower Highway
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8
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
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9
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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10
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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11
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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12
Continue on South Main Street
3115 ft · 2 min · South Main Street
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13
Turn right
8 m · 2 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 Center and O'Fallon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
65.5 mi · 01h 17m
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.
Chance Showers And Thunderstorms leaving Center and Showers And Thunderstorms Likely near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Center to O'Fallon?
The road trip is about 82.1 miles (132.1 km) and usually takes 01h 18m 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?
Eolia is a useful midpoint, sitting about 41 miles from Center and 41.1 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 65.6 miles (105.5 km), while the road route adds roughly 16.5 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 3:54 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.94 one way or $21.87 round trip. Estimated CO2 is about 25.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Center and Showers And Thunderstorms Likely near O'Fallon.
Stop Ideas Near Eolia
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 Eolia.
Hermann
Washington
Alton
Quincy
Flight Path Map
This map shows the direct air route between Center and O'Fallon. Straight-line distance: 65.53 mi (105.46 km).
#1 Center
City in Ralls County, Missouri, United States
| Population | 505 |
| Coordinates | 39.5081000, -91.5287700 |
| Altitude | 218 |
| Country | United States |
#2 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
End: (-90.699849, 38.810674)
Estimated Travel Time
Distance: 132 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 44m |
| 40 mph (64.37 km/h) | 02h 03m |
| 50 mph (80.47 km/h) | 01h 38m |
| 60 mph (96.56 km/h) | 01h 22m |
| 70 mph (112.65 km/h) | 01h 10m |
| 80 mph (129 km/h) | 01h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.94 | $21.87 |
| Mid-grade | $4.25 | $12.33 | $24.67 |
| Premium | $4.65 | $13.50 | $26.99 |
| Diesel | $5.30 | $15.38 | $30.76 |
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 · Apr 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.