How far is Bowling Green, MO from O'Fallon, MO?
The driving distance from Bowling Green, MO to O'Fallon, MO is about 54.1 miles (87 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 45.3 miles (72.9 km).
- For a round trip, plan for roughly 01h 48m 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 00h 54m.
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.
Unincorporated community in Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Slight Chance Showers And Thunderstorms
Sunny
Driving Route Map
The map below follows the saved road route between Bowling Green and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bowling Green and O'Fallon.
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1
Start on West Main Street
13 m · 7 sec · West Main Street
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2
Turn left onto South Court Street
3061 ft · 1 min · South Court Street
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3
Enter the roundabout and take exit 3 toward the route
77 m · 4 sec
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4
Exit the roundabout
1 km · 57 sec
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5
Enter the roundabout and take exit 2 toward the route
93 m · 5 sec
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6
Exit the roundabout
942 ft · 18 sec
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7
Take the ramp right
1065 ft · 26 sec
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8
Merge slight left onto Avenue of the Saints
44.7 mi · 53 min · Avenue of the Saints
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9
Take the exit slight left toward I 70 East: Saint Louis
2705 ft · 51 sec
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10
Merge slight left onto Dwight D Eisenhower Highway
6.4 mi · 8 min · Dwight D Eisenhower Highway
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11
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
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12
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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13
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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14
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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15
Continue on South Main Street
3115 ft · 2 min · South Main Street
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16
Turn right
8 m · 2 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Bowling Green 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.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
44.7 mi · 00h 53m
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 then Slight Chance Showers And Thunderstorms leaving Bowling Green 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 Bowling Green to O'Fallon?
The road trip is about 54.1 miles (87 km) and usually takes 00h 54m 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?
Davis is a useful midpoint, sitting about 27.2 miles from Bowling Green and 27 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 45.3 miles (72.9 km), while the road route adds roughly 8.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.20 one way or $14.41 round trip. Estimated CO2 is about 17 kg one way.
What should you check before leaving?
Before you leave, expect Sunny then Slight Chance Showers And Thunderstorms around Bowling Green and Sunny near O'Fallon.
Stop Ideas Near Davis
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 Davis.
Hermann
Washington
Kirkwood
Alton
Flight Path Map
This map shows the direct air route between Bowling Green and O'Fallon. Straight-line distance: 45.32 mi (72.93 km).
#1 Bowling Green
City in Missouri
| Population | 4,759 |
| Coordinates | 39.3419900, -91.1951400 |
| Altitude | 272 |
| 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: 87 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 48m |
| 40 mph (64.37 km/h) | 01h 21m |
| 50 mph (80.47 km/h) | 01h 04m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 46m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $7.20 | $14.41 |
| Mid-grade | $4.25 | $8.12 | $16.25 |
| Premium | $4.65 | $8.89 | $17.78 |
| Diesel | $5.30 | $10.13 | $20.26 |
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.