How far is Van Buren, MO from O'Fallon, MO?
The driving distance from Van Buren, MO to O'Fallon, MO is about 186.4 miles (300 km), with a travel time of about 03h 53m by car.
- The straight-line flight distance is about 126.6 miles (203.7 km).
- For a round trip, plan for roughly 07h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 03h 53m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Drizzle
Driving Route Map
The map below follows the saved road route between Van Buren and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Van Buren and O'Fallon.
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1
Start on Main Street
62 m · 8 sec · Main Street
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2
Turn right onto James Street
1158 ft · 23 sec · James Street
-
3
Turn left
6.4 mi · 8 min
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4
Turn left
3.4 mi · 5 min
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5
Turn slight right
22.4 mi · 33 min
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6
Turn right
13.7 mi · 20 min
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7
Turn left
2815 ft · 1 min
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8
Continue straight
545 ft · 15 sec
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9
Merge slight left
81 mi · 1 hr 33 min
-
10
Keep slight right
1750 ft · 27 sec
-
11
Take the exit straight toward I 55 North: Saint Louis
1735 ft · 49 sec
-
12
Merge slight left
20.5 mi · 22 min
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13
Continue on Rosa Parks Highway
1.3 mi · 2 min · Rosa Parks Highway
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14
Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago
1279 ft · 27 sec
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15
Keep slight left to continue on I 270 West: Kansas City
118 m · 8 sec
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16
Continue on I 270 West
1.2 km · 1 min
-
17
Merge slight left
18.1 mi · 23 min
-
18
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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19
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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20
Continue on I 70 West: Kansas City
1 km · 57 sec
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21
Merge slight left
13.6 mi · 17 min
-
22
Take the exit slight right toward MO K: O'Fallon, Main Street
119 m · 8 sec
-
23
Turn straight onto East Terra Lane
1.4 km · 2 min · East Terra Lane
-
24
Turn right onto South Main Street
2830 ft · 1 min · South Main Street
-
25
Turn right
8 m · 2 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Van Buren 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.
James Street
Merge slight left
81 mi · 01h 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.
Partly Sunny leaving Van Buren and Slight Chance Drizzle near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Van Buren to O'Fallon?
The road trip is about 186.4 miles (300 km) and usually takes 03h 53m 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?
Farmington is a useful midpoint, sitting about 93.1 miles from Van Buren and 93.3 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 126.6 miles (203.7 km), while the road route adds roughly 59.8 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 CST. If you want a more comfortable same-day return, try to leave by 9:14 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.99 one way or $49.98 round trip. Estimated CO2 is about 58.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Van Buren and Slight Chance Drizzle near O'Fallon.
Stop Ideas Near Farmington
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 Farmington.
Kirkwood
Gateway Transportation Center
Washington
Carbondale station
Flight Path Map
This map shows the direct air route between Van Buren and O'Fallon. Straight-line distance: 126.57 mi (203.7 km).
#1 Van Buren
City in Carter County, Missouri, United States
| Population | 798 |
| Coordinates | 36.9956100, -91.0145700 |
| Altitude | 144 |
| 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: O'Fallon (-90.69985, 38.81061)
Estimated Travel Time
Distance: 300 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 12m |
| 40 mph (64.37 km/h) | 04h 39m |
| 50 mph (80.47 km/h) | 03h 43m |
| 60 mph (96.56 km/h) | 03h 06m |
| 70 mph (112.65 km/h) | 02h 39m |
| 80 mph (129 km/h) | 02h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.80 | $24.99 | $49.98 |
| Mid-grade | $4.17 | $27.41 | $54.81 |
| Premium | $4.53 | $29.79 | $59.58 |
| Diesel | $6.02 | $39.59 | $79.17 |
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 05, 2026