How far is Saint Charles, MO from Warrenton, MO?
The driving distance from Saint Charles, MO to Warrenton, MO is about 37.7 miles (60.6 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 35.6 miles (57.3 km).
- For a round trip, plan for roughly 01h 44m 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 52m.
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 Saint Charles County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saint Charles and Warrenton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Warrenton.
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1
Start on North Second Street
1551 ft · 1 min · North Second Street
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2
Turn right onto First Capitol Drive
1.4 km · 2 min · First Capitol Drive
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3
Turn left onto First Capitol Drive
1.5 km · 2 min · First Capitol Drive
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4
Take the ramp slight right toward I 70 West
1018 ft · 14 sec
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5
Merge slight left
34.5 mi · 45 min
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6
Take the exit slight right toward MO 47: Warrenton, Hawk Point
753 ft · 21 sec
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7
Turn left
1.3 km · 2 min
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8
Arrive at your destination
0 m · 1 sec · East Booneslick Road
Car Route Details
A richer read on the saved driving route between Saint Charles and Warrenton.
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
34.5 mi · 00h 45m
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.
Partly Sunny then Slight Chance Rain Showers leaving Saint Charles and Mostly Sunny near Warrenton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to Warrenton?
The road trip is about 37.7 miles (60.6 km) and usually takes 00h 52m 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?
Lake Saint Louis is a useful midpoint, sitting about 18.8 miles from Saint Charles and 18.9 miles from Warrenton.
How much longer is the road route than the straight-line distance?
The direct path is about 35.6 miles (57.3 km), while the road route adds roughly 2.1 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 4:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.02 one way or $10.03 round trip. Estimated CO2 is about 11.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Rain Showers around Saint Charles and Mostly Sunny near Warrenton.
Stop Ideas Near Lake Saint Louis
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
City of O'Fallon
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lake Saint Louis.
Washington
Kirkwood
Gateway Transportation Center
Hermann
Flight Path Map
This map shows the direct air route between Saint Charles and Warrenton. Straight-line distance: 35.6 mi (57.3 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
#2 Warrenton
City in Warren County, Missouri, United States
| Population | 8,913 |
| Coordinates | 38.8114400, -91.1415400 |
| Altitude | 270 |
| Country | United States |
End: Warrenton (-91.14154, 38.81144)
Estimated Travel Time
Distance: 61 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 15m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.02 | $10.03 |
| Mid-grade | $4.25 | $5.66 | $11.31 |
| Premium | $4.65 | $6.19 | $12.38 |
| Diesel | $5.30 | $7.05 | $14.11 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.