How far is Warrenton, MO from St. Louis, MO?
The driving distance from Warrenton, MO to St. Louis, MO is about 57.5 miles (92.6 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 52.4 miles (84.4 km).
- For a round trip, plan for roughly 01h 50m 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 55m.
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 the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Warrenton and St. Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Warrenton and St. Louis.
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1
Start on East Booneslick Road
7 m · 4 sec · East Booneslick Road
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2
Turn right
1.2 km · 2 min
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3
Take the ramp right toward I 70 East, US 40 East: Saint Louis, Wright City
1046 ft · 22 sec
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4
Merge slight left
16.4 mi · 22 min
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5
Take the exit slight right toward I 64 East, US 40 East, US 61 South: Chesterfield
1567 ft · 33 sec
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6
Merge slight left onto Avenue of the Saints
27.7 mi · 34 min · Avenue of the Saints
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7
Continue on Daniel Boone Expressway
5.7 mi · 7 min · Daniel Boone Expressway
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8
Continue on Jack Buck Memorial Highway
5.8 mi · 7 min · Jack Buck Memorial Highway
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9
Take the exit slight right toward 14th Street
1115 ft · 34 sec
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10
Turn left onto South 14th Street
1715 ft · 42 sec · South 14th Street
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11
Turn right onto Market Street
956 ft · 25 sec · Market Street
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12
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Warrenton and St. Louis.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
27.7 mi · 00h 34m
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.
Mostly Sunny leaving Warrenton and Partly Sunny then Slight Chance Rain Showers near St. Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Warrenton to St. Louis?
The road trip is about 57.5 miles (92.6 km) and usually takes 00h 55m 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?
Weldon Spring Heights is a useful midpoint, sitting about 28.7 miles from Warrenton and 28.8 miles from St. Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 52.4 miles (84.4 km), while the road route adds roughly 5.1 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 4:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.66 one way or $15.31 round trip. Estimated CO2 is about 18 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Warrenton and Partly Sunny then Slight Chance Rain Showers near St. Louis.
Stop Ideas Near Weldon Spring Heights
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
City of O'Fallon
Swingley Ridge @ Chesterfield City Hall SB
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Weldon Spring Heights.
Kirkwood
Washington
Gateway Transportation Center
Alton
Flight Path Map
This map shows the direct air route between Warrenton and St. Louis. Straight-line distance: 52.44 mi (84.39 km).
#1 Warrenton
City in Warren County, Missouri, United States
| Population | 8,913 |
| Coordinates | 38.8114400, -91.1415400 |
| Altitude | 270 |
| Country | United States |
#2 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| Country | United States |
End: Market Street (-90.197859, 38.627348)
Estimated Travel Time
Distance: 93 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 55m |
| 40 mph (64.37 km/h) | 01h 26m |
| 50 mph (80.47 km/h) | 01h 09m |
| 60 mph (96.56 km/h) | 00h 57m |
| 70 mph (112.65 km/h) | 00h 49m |
| 80 mph (129 km/h) | 00h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $7.66 | $15.31 |
| Mid-grade | $4.25 | $8.63 | $17.27 |
| Premium | $4.65 | $9.45 | $18.90 |
| Diesel | $5.30 | $10.77 | $21.53 |
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.