How far is O'Fallon, MO from High Ridge, MO?
The driving distance from O'Fallon, MO to High Ridge, MO is about 35 miles (56.3 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 25.8 miles (41.6 km).
- For a round trip, plan for roughly 01h 49m 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 00h 54m.
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.
A city in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms
Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between O'Fallon and High Ridge.
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon and High Ridge.
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1
Start on the route
8 m · 7 sec
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2
Turn left onto South Main Street
2865 ft · 1 min · South Main Street
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3
Continue straight
3.1 mi · 6 min
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4
Continue straight
3.4 mi · 5 min
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5
Take the ramp slight right toward I 64 East, US 40 East, US 61 South
1523 ft · 22 sec
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6
Merge slight left onto Avenue of the Saints
12.3 mi · 15 min · Avenue of the Saints
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7
Take the exit slight right toward MO 141
1368 ft · 34 sec
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8
Turn right onto MO 141: Manchester
56 m · 6 sec
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9
Merge slight left
8.5 mi · 13 min
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10
Turn right onto Hawkins Road
1.6 mi · 4 min · Hawkins Road
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11
Continue on New Sugar Creek Road
1 mi · 2 min · New Sugar Creek Road
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12
Take the ramp slight right toward MO 30 West
56 m · 3 sec
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13
Merge slight left
3 mi · 4 min
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14
Take the exit slight right toward High Ridge Boulevard
45 m · 5 sec
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15
Turn straight onto High Ridge Boulevard
1.2 km · 2 min · High Ridge Boulevard
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16
Turn right
59 m · 19 sec
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17
At the end of the road, turn left
46 m · 11 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between O'Fallon and High Ridge.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
12.3 mi · 00h 15m
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.
Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms leaving O'Fallon and Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms near High Ridge.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from O'Fallon to High Ridge?
The road trip is about 35 miles (56.3 km) and usually takes 00h 54m 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?
Chesterfield is a useful midpoint, sitting about 17.5 miles from O'Fallon and 17.5 miles from High Ridge.
How much longer is the road route than the straight-line distance?
The direct path is about 25.8 miles (41.6 km), while the road route adds roughly 9.2 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 4:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.68 one way or $9.35 round trip. Estimated CO2 is about 11 kg one way.
What should you check before leaving?
Before you leave, expect Isolated Showers And Thunderstorms then Chance Showers And Thunderstorms around O'Fallon and Isolated Showers And Thunderstorms then Scattered Showers And Thunderstorms near High Ridge.
Stop Ideas Near Chesterfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
Wildwood City Hall
Ferguson Finance Director
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Chesterfield.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between O'Fallon and High Ridge. Straight-line distance: 25.85 mi (41.6 km).
#1 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
#2 High Ridge
Census designated place
| Population | 4,305 |
| Coordinates | 38.4589400, -90.5365100 |
| Altitude | 281 |
| Country | United States |
End: High Ridge (-90.53651, 38.45894)
Estimated Travel Time
Distance: 56 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 09m |
| 40 mph (64.37 km/h) | 00h 52m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.68 | $9.35 |
| Mid-grade | $4.25 | $5.27 | $10.55 |
| Premium | $4.65 | $5.77 | $11.54 |
| Diesel | $5.30 | $6.58 | $13.15 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.