How far is O'Fallon, MO from Marshall, MO?
The driving distance from O'Fallon, MO to Marshall, MO is about 151.5 miles (243.8 km), with a travel time of about 02h 59m by car.
- The straight-line flight distance is about 135.9 miles (218.7 km).
- For a round trip, plan for roughly 05h 59m 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 02h 59m.
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.
Human settlement in Callaway County, Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between O'Fallon and Marshall.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Marshall.
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1
Start on the route
8 m · 7 sec
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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
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4
Turn sharp left onto South Main Street
87 m · 11 sec · South Main Street
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5
Turn left onto West Terra Lane
576 ft · 12 sec · West Terra Lane
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6
Take the ramp straight toward I 70 West
146 m · 7 sec
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7
Merge slight left
139.1 mi · 2 hr 40 min
-
8
Take the exit slight right toward US 65 North: Marshall
2289 ft · 49 sec
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9
Merge slight left
7.9 mi · 9 min
-
10
Take the exit slight right toward US 65 Business: Marshall
936 ft · 26 sec
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11
Continue on South Odell Avenue
2.8 mi · 6 min · South Odell Avenue
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12
Turn left onto East Arrow Street
102 m · 12 sec · East Arrow Street
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13
Turn right onto North Jefferson Street
112 m · 13 sec · North Jefferson Street
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14
Continue on North Jefferson Avenue
616 ft · 22 sec · North Jefferson Avenue
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15
Turn left onto East Eastwood Street
87 m · 10 sec · East Eastwood Street
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16
Arrive at your destination
0 m · 1 sec · East Eastwood Street
Car Route Details
A richer read on the saved driving route between O'Fallon and Marshall.
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
139 mi · 02h 40m
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 leaving O'Fallon and Mostly Sunny near Marshall.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Marshall?
The road trip is about 151.5 miles (243.8 km) and usually takes 02h 59m 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?
Kingdom City is a useful midpoint, sitting about 75.6 miles from O'Fallon and 75.9 miles from Marshall.
How much longer is the road route than the straight-line distance?
The direct path is about 135.9 miles (218.7 km), while the road route adds roughly 15.6 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 12:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.17 one way or $40.35 round trip. Estimated CO2 is about 47.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around O'Fallon and Mostly Sunny near Marshall.
Stop Ideas Near Kingdom City
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 Kingdom City.
Jefferson City
Hermann
Washington
Sedalia
Flight Path Map
This map shows the direct air route between O'Fallon and Marshall. Straight-line distance: 135.86 mi (218.65 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 Marshall
City in Missouri, USA
| Population | 12,885 |
| Coordinates | 39.1230800, -93.1968700 |
| Altitude | 233 |
| Country | United States |
End: Marshall (-93.19687, 39.12308)
Estimated Travel Time
Distance: 244 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 02m |
| 40 mph (64.37 km/h) | 03h 47m |
| 50 mph (80.47 km/h) | 03h 01m |
| 60 mph (96.56 km/h) | 02h 31m |
| 70 mph (112.65 km/h) | 02h 09m |
| 80 mph (129 km/h) | 01h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.17 | $40.35 |
| Mid-grade | $4.25 | $22.75 | $45.51 |
| Premium | $4.65 | $24.90 | $49.80 |
| Diesel | $5.30 | $28.38 | $56.75 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.