How far is Earth City, MO from Wentzville, MO?
The driving distance from Earth City, MO to Wentzville, MO is about 23.7 miles (38.2 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 20.9 miles (33.7 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 CST.
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.
The most populous city in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Slight Chance Drizzle
Driving Route Map
The map below follows the saved road route between Earth City and Wentzville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Earth City and Wentzville.
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1
Start on Shore Line Court
91 m · 15 sec · Shore Line Court
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2
Turn right onto Shoreline Drive
977 ft · 27 sec · Shoreline Drive
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3
Continue on Lakefront Drive
2325 ft · 1 min · Lakefront Drive
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4
Turn right onto Earth City Expressway
2157 ft · 43 sec · Earth City Expressway
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5
Take the exit slight right toward I 70 West: Kansas City
1951 ft · 28 sec
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6
Merge slight left
21.7 mi · 27 min
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7
Take the exit slight right toward MO Z
812 ft · 23 sec
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8
Enter the roundabout and take exit 1 toward South Church Street
6 m · 1 sec · South Church Street
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9
Exit the roundabout onto South Church Street
1037 ft · 39 sec · South Church Street
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10
Turn right onto West 4th Street
135 m · 20 sec · West 4th Street
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11
At the end of the road, turn left onto South Linn Avenue
706 ft · 26 sec · South Linn Avenue
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12
Turn right onto East Allen Street
12 m · 2 sec · East Allen Street
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13
Arrive at your destination
0 m · 1 sec · East Allen Street
Car Route Details
A richer read on the saved driving route between Earth City 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.
I 70 West
Merge slight left
21.7 mi · 00h 27m
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.
Partly Sunny leaving Earth City and Slight Chance Drizzle near Wentzville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Earth City to Wentzville?
The road trip is about 23.7 miles (38.2 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?
Saint Peters is a useful midpoint, sitting about 11.8 miles from Earth City and 11.9 miles from Wentzville.
How much longer is the road route than the straight-line distance?
The direct path is about 20.9 miles (33.7 km), while the road route adds roughly 2.8 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 CST. If you want a more comfortable same-day return, try to leave by 7:26 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.17 one way or $6.34 round trip. Estimated CO2 is about 7.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Earth City and Slight Chance Drizzle near Wentzville.
Stop Ideas Near Saint Peters
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 Saint Peters.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between Earth City and Wentzville. Straight-line distance: 20.93 mi (33.68 km).
#1 Earth City
Earth City is a place in Missouri, United States.
| Population | 0 |
| Coordinates | 38.7689400, -90.4681700 |
| Altitude | 134 |
| Country | United States |
#2 Wentzville
A city in St.
| Population | 43,109 |
| Coordinates | 38.8114400, -90.8529100 |
| Altitude | 190 |
| Country | United States |
End: Wentzville (-90.85291, 38.81144)
Estimated Travel Time
Distance: 38 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 47m |
| 40 mph (64.37 km/h) | 00h 35m |
| 50 mph (80.47 km/h) | 00h 28m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 20m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.17 | $6.34 |
| Mid-grade | $4.15 | $3.48 | $6.97 |
| Premium | $4.51 | $3.79 | $7.58 |
| Diesel | $6.00 | $5.04 | $10.07 |
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 · Nov 06, 2026