How far is New Franklin, MO from O'Fallon, MO?
The driving distance from New Franklin, MO to O'Fallon, MO is about 115.8 miles (186.4 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 110.5 miles (177.8 km).
- For a round trip, plan for roughly 03h 40m 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 50m.
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 Missouri, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between New Franklin and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Franklin and O'Fallon.
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1
Start on the route
12 m · 5 sec
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2
Turn right
1.1 mi · 2 min
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3
Turn slight left
544 ft · 9 sec
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4
Turn straight
113.7 mi · 2 hr 16 min
-
5
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
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6
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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7
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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8
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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9
Continue on South Main Street
3115 ft · 2 min · South Main Street
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10
Turn right
8 m · 2 sec
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11
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between New Franklin 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 straight
114 mi · 02h 16m
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.
Chance Showers And Thunderstorms leaving New Franklin and Mostly Sunny near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Franklin to O'Fallon?
The road trip is about 115.8 miles (186.4 km) and usually takes 01h 50m 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?
Auxvasse is a useful midpoint, sitting about 57.8 miles from New Franklin and 58 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 110.5 miles (177.8 km), while the road route adds roughly 5.3 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 2:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.42 one way or $30.85 round trip. Estimated CO2 is about 36.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around New Franklin and Mostly Sunny near O'Fallon.
Stop Ideas Near Auxvasse
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 Auxvasse.
Hermann
Jefferson City
Washington
Quincy
Flight Path Map
This map shows the direct air route between New Franklin and O'Fallon. Straight-line distance: 110.47 mi (177.78 km).
#1 New Franklin
City in Howard County, Missouri, United States
| Population | 1,057 |
| Coordinates | 39.0172500, -92.7374100 |
| Altitude | 196 |
| 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: 186 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 51m |
| 40 mph (64.37 km/h) | 02h 53m |
| 50 mph (80.47 km/h) | 02h 18m |
| 60 mph (96.56 km/h) | 01h 55m |
| 70 mph (112.65 km/h) | 01h 39m |
| 80 mph (129 km/h) | 01h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.42 | $30.85 |
| Mid-grade | $4.25 | $17.39 | $34.79 |
| Premium | $4.65 | $19.03 | $38.07 |
| Diesel | $5.30 | $21.69 | $43.39 |
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 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.