How far is St. Louis, MO from Winchester, MO?
The driving distance from St. Louis, MO to Winchester, MO is about 21.2 miles (34.1 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 18 miles (29 km).
- For a round trip, plan for roughly 01h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Missouri
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 St. Louis and Winchester.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Winchester.
-
1
Start on Market Street
1.6 mi · 3 min · Market Street
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2
Take the ramp slight left toward I 64 West, US 40 West: Wentzville
1531 ft · 24 sec
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3
Merge slight left onto Jack Buck Memorial Highway
4.3 mi · 6 min · Jack Buck Memorial Highway
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4
Continue on Daniel Boone Expressway
5.7 mi · 7 min · Daniel Boone Expressway
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5
Continue on Avenue of the Saints
1.8 mi · 2 min · Avenue of the Saints
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6
Take the exit slight right toward I 270: Memphis, Chicago
781 ft · 17 sec
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7
Keep slight left to continue on I 270 South: Memphis
79 m · 6 sec
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8
Continue on I 270 South: Memphis
2972 ft · 59 sec
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9
Merge slight left
1.6 mi · 2 min
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10
Take the exit slight right toward MO 100: Manchester Road
1507 ft · 21 sec
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11
Keep slight right to continue on MO 100 West: Manchester Road West
577 ft · 20 sec
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12
Continue on MO 100 West: Manchester Road
150 m · 17 sec
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13
Turn straight onto Manchester Road
4.4 mi · 8 min · Manchester Road
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14
Turn left onto Solley Drive
792 ft · 41 sec · Solley Drive
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15
Keep slight left
74 m · 18 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between St. Louis and Winchester.
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.
Daniel Boone Expressway
Continue on Daniel Boone Expressway
5.72 mi · 00h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving St. Louis and Sunny near Winchester.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Winchester?
The road trip is about 21.2 miles (34.1 km) and usually takes 00h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Ladue is a useful midpoint, sitting about 10.6 miles from St. Louis and 10.6 miles from Winchester.
How much longer is the road route than the straight-line distance?
The direct path is about 18 miles (29 km), while the road route adds roughly 3.2 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.83 one way or $5.66 round trip. Estimated CO2 is about 6.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around St. Louis and Sunny near Winchester.
Stop Ideas Near Ladue
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 Ladue.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between St. Louis and Winchester. Straight-line distance: 18 mi (28.97 km).
#1 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 |
#2 Winchester
City in St.
| Population | 1,509 |
| Coordinates | 38.5903300, -90.5279000 |
| Altitude | 190 |
| Country | United States |
End: Winchester (-90.5279, 38.59033)
Estimated Travel Time
Distance: 34 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 42m |
| 40 mph (64.37 km/h) | 00h 31m |
| 50 mph (80.47 km/h) | 00h 25m |
| 60 mph (96.56 km/h) | 00h 21m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.83 | $5.66 |
| Mid-grade | $4.25 | $3.19 | $6.38 |
| Premium | $4.65 | $3.49 | $6.98 |
| Diesel | $5.30 | $3.98 | $7.96 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.