How far is Owensville, MO from O'Fallon, MO?
The driving distance from Owensville, MO to O'Fallon, MO is about 70.8 miles (114 km), with a travel time of about 01h 28m by car.
- The straight-line flight distance is about 53.9 miles (86.8 km).
- For a round trip, plan for roughly 02h 57m 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 28m.
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.
City in Franklin County, Missouri
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Owensville and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Owensville and O'Fallon.
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1
Start on the route
92 m · 33 sec
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2
Turn left onto West Lincoln Avenue
5.8 mi · 9 min · West Lincoln Avenue
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3
Turn right
24.9 mi · 30 min
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4
Turn left
11.1 mi · 17 min
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5
Turn right
1.2 km · 2 min
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6
Continue straight
3.5 mi · 6 min
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7
At the end of the road, turn left
3.1 mi · 4 min
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8
Continue straight
4.9 mi · 7 min
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9
Turn left
7.2 mi · 11 min
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10
Take the ramp right toward I 70 East, US 40 East: Saint Louis
959 ft · 13 sec
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11
Merge slight left onto Dwight D Eisenhower Highway
7.8 mi · 9 min · Dwight D Eisenhower Highway
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12
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
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13
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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14
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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15
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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16
Continue on South Main Street
3115 ft · 2 min · South Main Street
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17
Turn right
8 m · 2 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Owensville and O'Fallon.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn right
24.9 mi · 00h 30m
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.
Scattered Rain Showers leaving Owensville and Chance Rain Showers near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Owensville to O'Fallon?
The road trip is about 70.8 miles (114 km) and usually takes 01h 28m 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?
Washington is a useful midpoint, sitting about 35.1 miles from Owensville and 35.7 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 53.9 miles (86.8 km), while the road route adds roughly 16.9 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.43 one way or $18.86 round trip. Estimated CO2 is about 22.2 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Rain Showers around Owensville and Chance Rain Showers near O'Fallon.
Stop Ideas Near Washington
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 Washington.
Washington
Hermann
Kirkwood
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Owensville and O'Fallon. Straight-line distance: 53.92 mi (86.78 km).
#1 Owensville
City in Missouri
| Population | 2,563 |
| Coordinates | 38.3456000, -91.5015500 |
| Altitude | 289 |
| 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: 114 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 21m |
| 40 mph (64.37 km/h) | 01h 46m |
| 50 mph (80.47 km/h) | 01h 25m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.43 | $18.86 |
| Mid-grade | $4.25 | $10.63 | $21.27 |
| Premium | $4.65 | $11.64 | $23.27 |
| Diesel | $5.30 | $13.26 | $26.52 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.