How far is Warsaw, MO from O'Fallon, MO?
The driving distance from Warsaw, MO to O'Fallon, MO is about 193.2 miles (310.9 km), with a travel time of about 03h 04m by car.
- The straight-line flight distance is about 150.2 miles (241.7 km).
- For a round trip, plan for roughly 06h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 04m.
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.
Town in Callaway County, Missouri, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Warsaw and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Warsaw and O'Fallon.
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1
Start on West Washington Street
32 m · 10 sec · West Washington Street
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2
Turn left onto Seminary Street
69 m · 12 sec · Seminary Street
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3
Turn right onto Main Street
1108 ft · 32 sec · Main Street
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4
Turn right
1.3 mi · 2 min
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5
Continue on Braden Road
560 ft · 17 sec · Braden Road
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6
Turn left
1378 ft · 34 sec
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7
Merge slight left
15.4 mi · 19 min
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8
Take the exit slight right toward MO 52 East: Cole Camp
1533 ft · 44 sec
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9
Turn right onto State Highway 52
3 mi · 4 min · State Highway 52
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10
Continue on West Main Street
21.2 mi · 30 min · West Main Street
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11
Keep slight left
49 m · 3 sec
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12
Keep slight right
3.4 mi · 5 min
-
13
Turn left
13.1 mi · 18 min
-
14
Turn right
4 m · 1 sec
-
15
Turn left
30 m · 2 sec
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16
Turn straight
21.9 mi · 30 min
-
17
Turn right onto Southwest Boulevard
1102 ft · 42 sec · Southwest Boulevard
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18
Take the ramp left toward US 54 East: Fulton
746 ft · 18 sec
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19
Merge slight left onto C. F. “Red” Whaley Expressway
31.9 mi · 35 min · C. F. “Red” Whaley Expressway
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20
Take the exit slight right toward I 70 East, US 40 East: Saint Louis
1220 ft · 15 sec
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21
Merge slight left onto Dwight D. Eisenhower Highway
69.2 mi · 1 hr 20 min · Dwight D. Eisenhower Highway
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22
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
-
23
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
-
24
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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25
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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26
Continue on South Main Street
3115 ft · 2 min · South Main Street
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27
Turn right
8 m · 2 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Warsaw 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.
Dwight D. Eisenhower Highway
Merge slight left onto Dwight D. Eisenhower Highway
69.2 mi · 01h 20m
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.
Showers And Thunderstorms leaving Warsaw and Showers And Thunderstorms near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Warsaw to O'Fallon?
The road trip is about 193.2 miles (310.9 km) and usually takes 03h 04m 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?
New Bloomfield is a useful midpoint, sitting about 91.4 miles from Warsaw and 101.8 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 150.2 miles (241.7 km), while the road route adds roughly 43 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 CDT. If you want a more comfortable same-day return, try to leave by 10:50 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.72 one way or $51.44 round trip. Estimated CO2 is about 60.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Warsaw and Showers And Thunderstorms near O'Fallon.
Stop Ideas Near New Bloomfield
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 New Bloomfield.
Jefferson City
Hermann
Washington
Sedalia
Flight Path Map
This map shows the direct air route between Warsaw and O'Fallon. Straight-line distance: 150.17 mi (241.68 km).
#1 Warsaw
City in Missouri, United States
| Population | 2,217 |
| Coordinates | 38.2430800, -93.3818700 |
| 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: 311 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 26m |
| 40 mph (64.37 km/h) | 04h 49m |
| 50 mph (80.47 km/h) | 03h 51m |
| 60 mph (96.56 km/h) | 03h 13m |
| 70 mph (112.65 km/h) | 02h 45m |
| 80 mph (129 km/h) | 02h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.72 | $51.44 |
| Mid-grade | $4.25 | $29.01 | $58.01 |
| Premium | $4.65 | $31.74 | $63.48 |
| Diesel | $5.30 | $36.17 | $72.35 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.