How far is Concord, MO from O'Fallon, MO?
The driving distance from Concord, MO to O'Fallon, MO is about 34.9 miles (56.1 km), with a travel time of about 00h 37m by car.
- The straight-line flight distance is about 27 miles (43.5 km).
- For a round trip, plan for roughly 01h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 37m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Concord and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Concord and O'Fallon.
-
1
Start on Concord Village Avenue
1560 ft · 50 sec · Concord Village Avenue
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2
At the end of the road, turn left onto Baptist Church Road
658 ft · 16 sec · Baptist Church Road
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3
Turn slight right onto MO 21
50 m · 5 sec
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4
Turn slight right onto Tesson Ferry Road
3091 ft · 1 min · Tesson Ferry Road
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5
Take the ramp slight right toward I 270 North
1373 ft · 21 sec
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6
Merge slight left
16.6 mi · 21 min
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7
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
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8
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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9
Continue on I 70 West: Kansas City
1 km · 57 sec
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10
Merge slight left
13.6 mi · 17 min
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11
Take the exit slight right toward MO K: O'Fallon, Main Street
119 m · 8 sec
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12
Turn straight onto East Terra Lane
1.4 km · 2 min · East Terra Lane
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13
Turn right onto South Main Street
2830 ft · 1 min · South Main Street
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14
Turn right
8 m · 2 sec
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15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Concord and O'Fallon.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 270 North
Merge slight left
16.7 mi · 00h 21m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Concord and Sunny near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Concord to O'Fallon?
The road trip is about 34.9 miles (56.1 km) and usually takes 00h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Maryland Heights is a useful midpoint, sitting about 17.4 miles from Concord and 17.5 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 27 miles (43.5 km), while the road route adds roughly 7.9 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 7:00 AM to 7:00 PM CST. If you want a more comfortable same-day return, try to leave by 7:14 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.57 one way or $9.14 round trip. Estimated CO2 is about 10.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Concord and Sunny near O'Fallon.
Stop Ideas Near Maryland Heights
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 Maryland Heights.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Concord and O'Fallon. Straight-line distance: 27.06 mi (43.55 km).
#1 Concord
Concord is a place in Missouri, United States.
| Population | 0 |
| Coordinates | 38.5245000, -90.3573400 |
| Altitude | 190 |
| 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: 56 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 09m |
| 40 mph (64.37 km/h) | 00h 52m |
| 50 mph (80.47 km/h) | 00h 41m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.72 | $4.57 | $9.14 |
| Mid-grade | $4.10 | $5.04 | $10.09 |
| Premium | $4.47 | $5.50 | $10.99 |
| Diesel | $5.95 | $7.31 | $14.63 |
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 · Nov 08, 2026