How far is O'Fallon, MO from Hermann, MO?
The driving distance from O'Fallon, MO to Hermann, MO is about 59.4 miles (95.6 km), with a travel time of about 01h 17m by car.
- The straight-line flight distance is about 40.4 miles (65 km).
- For a round trip, plan for roughly 02h 34m 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 17m.
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.
Village in Missouri, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between O'Fallon and Hermann.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Hermann.
-
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
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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
42.4 mi · 51 min
-
8
Take the exit slight right toward MO 19: Hermann, New Florence
1223 ft · 26 sec
-
9
Enter the roundabout and take exit 5 toward the route
151 m · 9 sec
-
10
Exit the roundabout
76 m · 4 sec
-
11
Turn straight
620 ft · 14 sec
-
12
Enter the roundabout and take exit 2 toward the route
77 m · 5 sec
-
13
Exit the roundabout
99 m · 12 sec
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14
Turn straight
15.3 mi · 22 min
-
15
Continue on Market Street
667 ft · 11 sec · Market Street
-
16
Continue on Market Street
97 m · 11 sec · Market Street
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17
Turn left onto East 4th Street
45 m · 7 sec · East 4th Street
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18
Arrive at your destination
0 m · 1 sec · East 4th Street
Car Route Details
A richer read on the saved driving route between O'Fallon and Hermann.
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
42.4 mi · 00h 51m
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 Sunny near Hermann.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Hermann?
The road trip is about 59.4 miles (95.6 km) and usually takes 01h 17m 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?
Pendleton is a useful midpoint, sitting about 29.7 miles from O'Fallon and 29.8 miles from Hermann.
How much longer is the road route than the straight-line distance?
The direct path is about 40.4 miles (65 km), while the road route adds roughly 19 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 3:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.92 one way or $15.84 round trip. Estimated CO2 is about 18.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around O'Fallon and Sunny near Hermann.
Stop Ideas Near Pendleton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Warrenton City Animal Control
Warrenton City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Pendleton.
Hermann
Washington
Kirkwood
Jefferson City
Flight Path Map
This map shows the direct air route between O'Fallon and Hermann. Straight-line distance: 40.41 mi (65.04 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 Hermann
Small German town in Gasconade County, Central Missouri
| Population | 2,322 |
| Coordinates | 38.7042100, -91.4373800 |
| Altitude | 162 |
| Country | United States |
End: Hermann (-91.43738, 38.70421)
Estimated Travel Time
Distance: 96 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 58m |
| 40 mph (64.37 km/h) | 01h 29m |
| 50 mph (80.47 km/h) | 01h 11m |
| 60 mph (96.56 km/h) | 00h 59m |
| 70 mph (112.65 km/h) | 00h 50m |
| 80 mph (129 km/h) | 00h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $7.92 | $15.84 |
| Mid-grade | $4.25 | $8.93 | $17.86 |
| Premium | $4.65 | $9.77 | $19.55 |
| Diesel | $5.30 | $11.14 | $22.28 |
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.