How far is O'Fallon, MO from Holts Summit, MO?
The driving distance from O'Fallon, MO to Holts Summit, MO is about 95 miles (152.9 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 77.5 miles (124.8 km).
- For a round trip, plan for roughly 03h 41m 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, United States
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 O'Fallon and Holts Summit.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and Holts Summit.
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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
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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
69.4 mi · 1 hr 20 min
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8
Take the exit slight right toward US 54: Auxvasse, Mexico, Fulton
1196 ft · 28 sec
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9
Turn left
24.1 mi · 26 min
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10
Take the exit slight right toward Center Street
1146 ft · 26 sec
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11
Turn right onto Center Street
688 ft · 21 sec · Center Street
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12
Turn right onto South Summit Drive
133 m · 13 sec · South Summit Drive
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13
Turn right onto East Hillcrest Avenue
21 m · 3 sec · East Hillcrest Avenue
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14
Arrive at your destination
0 m · 1 sec · East Hillcrest Avenue
Car Route Details
A richer read on the saved driving route between O'Fallon and Holts Summit.
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
69.4 mi · 01h 20m
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.
Showers And Thunderstorms leaving O'Fallon and Showers And Thunderstorms near Holts Summit.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to Holts Summit?
The road trip is about 95 miles (152.9 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?
New Florence is a useful midpoint, sitting about 47.5 miles from O'Fallon and 47.6 miles from Holts Summit.
How much longer is the road route than the straight-line distance?
The direct path is about 77.5 miles (124.8 km), while the road route adds roughly 17.5 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 2:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.63 one way or $25.27 round trip. Estimated CO2 is about 29.8 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around O'Fallon and Showers And Thunderstorms near Holts Summit.
Stop Ideas Near New Florence
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 Florence.
Hermann
Washington
Jefferson City
Kirkwood
Flight Path Map
This map shows the direct air route between O'Fallon and Holts Summit. Straight-line distance: 77.58 mi (124.85 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 Holts Summit
City in Callaway County, Missouri, United States
| Population | 4,519 |
| Coordinates | 38.6403200, -92.1224100 |
| Altitude | 259 |
| Country | United States |
End: Holts Summit (-92.12241, 38.64032)
Estimated Travel Time
Distance: 153 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 09m |
| 40 mph (64.37 km/h) | 02h 22m |
| 50 mph (80.47 km/h) | 01h 54m |
| 60 mph (96.56 km/h) | 01h 35m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $12.63 | $25.27 |
| Mid-grade | $4.25 | $14.25 | $28.50 |
| Premium | $4.65 | $15.59 | $31.18 |
| Diesel | $5.30 | $17.77 | $35.54 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.