How far is Lake Saint Louis, MO from Wentzville, MO?
The driving distance from Lake Saint Louis, MO to Wentzville, MO is about 4.6 miles (7.4 km), with a travel time of about 00h 08m by car.
- The straight-line flight distance is about 3.7 miles (6 km).
- For a round trip, plan for roughly 00h 17m 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 08m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Human settlement in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Lake Saint Louis and Wentzville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lake Saint Louis and Wentzville.
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1
Start on Savoy Drive
2237 ft · 1 min · Savoy Drive
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2
Turn right onto De Loire Drive
1483 ft · 56 sec · De Loire Drive
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3
At the end of the road, turn left onto Veterans Memorial Parkway
1.3 km · 1 min · Veterans Memorial Parkway
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4
Turn right
105 m · 14 sec
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5
Continue on Highway A
534 ft · 21 sec · Highway A
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6
Take the ramp left toward I 70 West
1461 ft · 19 sec
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7
Merge slight left onto Dwight D Eisenhower Highway
2.1 mi · 3 min · Dwight D Eisenhower Highway
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8
Take the exit slight right toward MO Z
812 ft · 23 sec
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9
Enter the roundabout and take exit 1 toward South Church Street
6 m · 1 sec · South Church Street
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10
Exit the roundabout onto South Church Street
1595 ft · 57 sec · South Church Street
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11
At the end of the road, turn right onto West Main Street
115 m · 18 sec · West Main Street
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12
Turn left onto North Linn Avenue
45 m · 7 sec · North Linn Avenue
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13
Turn right onto East Allen Street
12 m · 2 sec · East Allen Street
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14
Arrive at your destination
0 m · 1 sec · East Allen Street
Car Route Details
A richer read on the saved driving route between Lake Saint Louis and Wentzville.
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.
Dwight D Eisenhower Highway
Merge slight left onto Dwight D Eisenhower Highway
2.1 mi · 00h 03m
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 Lake Saint Louis and Sunny near Wentzville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lake Saint Louis to Wentzville?
The road trip is about 4.6 miles (7.4 km) and usually takes 00h 08m 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?
Josephville is a useful midpoint, sitting about 2.3 miles from Lake Saint Louis and 2.3 miles from Wentzville.
How much longer is the road route than the straight-line distance?
The direct path is about 3.7 miles (6 km), while the road route adds roughly 0.9 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 8:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.60 one way or $1.21 round trip. Estimated CO2 is about 1.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Lake Saint Louis and Sunny near Wentzville.
Stop Ideas Near Josephville
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 Josephville.
Washington
Kirkwood
Hermann
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Lake Saint Louis and Wentzville. Straight-line distance: 3.75 mi (6.03 km).
#1 Lake Saint Louis
City in Saint Charles County, Missouri, United States
| Population | 17,186 |
| Coordinates | 38.7975500, -90.7856800 |
| Altitude | 172 |
| Country | United States |
#2 Wentzville
A city in St.
| Population | 43,109 |
| Coordinates | 38.8114400, -90.8529100 |
| Altitude | 190 |
| Country | United States |
End: East Allen Street (-90.852906, 38.81143)
Estimated Travel Time
Distance: 7 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 09m |
| 40 mph (64.37 km/h) | 00h 06m |
| 50 mph (80.47 km/h) | 00h 05m |
| 60 mph (96.56 km/h) | 00h 04m |
| 70 mph (112.65 km/h) | 00h 03m |
| 80 mph (129 km/h) | 00h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $0.60 | $1.21 |
| Mid-grade | $4.25 | $0.68 | $1.36 |
| Premium | $4.65 | $0.74 | $1.49 |
| Diesel | $5.30 | $0.85 | $1.70 |
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 20, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.