How far is O'Fallon, MO from Liberty, MO?
The driving distance from O'Fallon, MO to Liberty, MO is about 217.7 miles (350.4 km), with a travel time of about 04h 13m by car.
- The straight-line flight distance is about 201.9 miles (324.9 km).
- For a round trip, plan for roughly 08h 26m 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 04h 13m.
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.
City in Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between O'Fallon and Liberty.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Liberty.
-
1
Start on the route
8 m · 7 sec
-
2
Turn left onto South Main Street
3116 ft · 2 min · South Main Street
-
3
Turn left onto I 70 East
10 m · 6 sec
-
4
Turn sharp left onto South Main Street
87 m · 11 sec · South Main Street
-
5
Turn left onto West Terra Lane
576 ft · 12 sec · West Terra Lane
-
6
Take the ramp straight toward I 70 West
146 m · 7 sec
-
7
Merge slight left
200.7 mi · 3 hr 46 min
-
8
Continue on Truman/Eisenhower Presidential Highway
1.1 mi · 1 min · Truman/Eisenhower Presidential Highway
-
9
Take the exit slight right toward MO 291 North: Liberty
2919 ft · 50 sec
-
10
Merge slight left
13.7 mi · 20 min
-
11
Turn slight right
125 m · 8 sec
-
12
Turn slight right onto South Leonard Street
3174 ft · 2 min · South Leonard Street
-
13
Turn left onto East Mill Street
754 ft · 24 sec · East Mill Street
-
14
Turn right onto South Water Street
153 m · 33 sec · South Water Street
-
15
Turn right onto East Kansas Street
27 m · 5 sec · East Kansas Street
-
16
Arrive at your destination
0 m · 1 sec · East Kansas Street
Car Route Details
A richer read on the saved driving route between O'Fallon and Liberty.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight left
201 mi · 03h 46m
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 Likely leaving O'Fallon and Slight Chance Showers And Thunderstorms near Liberty.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Liberty?
The road trip is about 217.7 miles (350.4 km) and usually takes 04h 13m 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?
Rocheport is a useful midpoint, sitting about 108.7 miles from O'Fallon and 109.1 miles from Liberty.
How much longer is the road route than the straight-line distance?
The direct path is about 201.9 miles (324.9 km), while the road route adds roughly 15.8 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 CDT. If you want a more comfortable same-day return, try to leave by 8:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.96 one way or $57.92 round trip. Estimated CO2 is about 68.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around O'Fallon and Slight Chance Showers And Thunderstorms near Liberty.
Stop Ideas Near Rocheport
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 Rocheport.
Jefferson City
Sedalia
Hermann
Warrensburg
Flight Path Map
This map shows the direct air route between O'Fallon and Liberty. Straight-line distance: 201.87 mi (324.88 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 Liberty
City in Missouri, United States
| Population | 30,450 |
| Coordinates | 39.2461100, -94.4191200 |
| Altitude | 268 |
| Country | United States |
End: Liberty (-94.41912, 39.24611)
Estimated Travel Time
Distance: 350 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 15m |
| 40 mph (64.37 km/h) | 05h 26m |
| 50 mph (80.47 km/h) | 04h 21m |
| 60 mph (96.56 km/h) | 03h 37m |
| 70 mph (112.65 km/h) | 03h 06m |
| 80 mph (129 km/h) | 02h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.96 | $57.92 |
| Mid-grade | $4.25 | $32.66 | $65.33 |
| Premium | $4.65 | $35.74 | $71.49 |
| Diesel | $5.30 | $40.73 | $81.47 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.