How far is Wentzville, MO from St. Louis, MO?

The driving distance from Wentzville, MO to St. Louis, MO is about 41.3 miles (66.4 km), with a travel time of about 00h 41m by car.

  • The straight-line flight distance is about 37.5 miles (60.4 km).
  • For a round trip, plan for roughly 01h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
41.24 mi
00h 41m
Flight
37.53 mi
60.4 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Wentzville.

Flight Distance

Direct air line
37.53 mi
Kilometers
60.4 km
Flight Time
00h 04m

Driving Distance

Road route
41.24 mi
Kilometers
66.37 km
Drive Time
00h 41m

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 41m.

Arrival Snapshot
Arrive in St. Louis
Fri, May 1, 11:00 PM CDT
Return by in Wentzville
Fri, May 1, 11:41 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Wentzville
2026-05-01T22:18
Arrive St. Louis
Fri, May 1, 11:00 PM CDT
Route Timing
00h 41m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:41 AM to 7:41 PM CDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:08 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Wentzville
10:00 PM CDT
Flexible departure

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.

Mid-route stop
Chesterfield
MO

A city in St.

From Wentzville
20.6 mi
00h 20m
To St. Louis
20.7 mi
00h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
Friday

Slight Chance Rain Showers then Mostly Sunny

Starts
Fri, May 1 6:00 AM CDT
Wind
7 mph N
Destination
62°F
Friday

Mostly Sunny

Starts
Fri, May 1 6:00 AM CDT
Wind
5 to 8 mph N

Driving Route Map

The map below follows the saved road route between Wentzville and St. Louis.

Turn-by-Turn Driving Directions

Step-by-step road directions between Wentzville and St. Louis.

  1. 1

    Start on East Allen Street

    12 m · 4 sec · East Allen Street

  2. 2

    Turn right onto North Linn Avenue

    65 m · 9 sec · North Linn Avenue

  3. 3

    Turn right onto East Pearce Boulevard

    2469 ft · 1 min · East Pearce Boulevard

  4. 4

    Turn slight right

    106 m · 9 sec

  5. 5

    Turn slight right onto Luetkenhaus Boulevard

    152 m · 14 sec · Luetkenhaus Boulevard

  6. 6

    Take the ramp straight toward US 61 South, I 70, US 40

    50 m · 2 sec

  7. 7

    Keep slight left to continue on US 61 South

    772 ft · 11 sec

  8. 8

    Merge slight left onto Avenue of the Saints

    28.1 mi · 34 min · Avenue of the Saints

  9. 9

    Continue on Daniel Boone Expressway

    5.7 mi · 7 min · Daniel Boone Expressway

  10. 10

    Continue on Jack Buck Memorial Highway

    5.8 mi · 7 min · Jack Buck Memorial Highway

  11. 11

    Take the exit slight right toward 14th Street

    1115 ft · 34 sec

  12. 12

    Turn left onto South 14th Street

    1715 ft · 42 sec · South 14th Street

  13. 13

    Turn right onto Market Street

    956 ft · 27 sec · Market Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Market Street

Car Route Details

A richer read on the saved driving route between Wentzville and St. Louis.

OSRM road route
Drive Character

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.

Directions
14 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
34 / 100 mi
Decision points by distance
Main Roads
Avenue of the Saints
28.1 mi · 68%
Jack Buck Memorial Highway
5.77 mi · 14%
Daniel Boone Expressway
5.68 mi · 14%
East Pearce Boulevard
0.47 mi · 1%
South 14th Street
0.32 mi · 1%
14th Street
0.21 mi · 1%
Longest Stretch

Avenue of the Saints

Merge slight left onto Avenue of the Saints

28.1 mi · 00h 34m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 41m
Quick drive
Same-Day Return
01h 22m
Round-trip wheel time
Road vs Air
+3.8 mi
37.5 mi direct line
Halfway Stop
Chesterfield
00h 20m from Wentzville
Leave By
7:08 PM CDT
Flexible departure
Weather Watch

Slight Chance Rain Showers then Mostly Sunny leaving Wentzville and Mostly Sunny near St. Louis.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Wentzville to St. Louis?

The road trip is about 41.3 miles (66.4 km) and usually takes 00h 41m 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?

Chesterfield is a useful midpoint, sitting about 20.6 miles from Wentzville and 20.7 miles from St. Louis.

How much longer is the road route than the straight-line distance?

The direct path is about 37.5 miles (60.4 km), while the road route adds roughly 3.8 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 CDT. If you want a more comfortable same-day return, try to leave by 7:08 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.51 one way or $11.01 round trip. Estimated CO2 is about 13 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Mostly Sunny around Wentzville and Mostly Sunny near St. Louis.

Stop Ideas Near Chesterfield

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Chesterfield and the surrounding midpoint area.
City Hall Park
Scenic stop 13.1 mi away

City Hall Park

Dardenne Prairie , MO
Dardenne Prairie, MO 63368
Rating 4.8/5 294 reviews Tourist attraction,Park
Wildwood City Hall
Meeting point 6.3 mi away

Wildwood City Hall

Wildwood , MO
16860 Main St, Wildwood, MO 63040
Rating 4.3/5 10 reviews City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Chesterfield.

RAIL

Kirkwood

17 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

33 mi away
551 South 16th St.
RAIL

Washington

39 mi away
301 West Front St.
RAIL

Alton

47 mi away
3400 College Ave.

Flight Path Map

This map shows the direct air route between Wentzville and St. Louis. Straight-line distance: 37.53 mi (60.4 km).

Wentzville

#1 Wentzville

A city in St.

Population43,109
Coordinates38.8114400, -90.8529100
Altitude190
CountryUnited States
St. Louis

#2 St. Louis

The second most populous city in Missouri and the center of the St.

Population315,685
Coordinates38.6272700, -90.1978900
Altitude142
CountryUnited States
Start: East Allen Street (-90.852906, 38.81143)
End: Market Street (-90.197859, 38.627348)

Estimated Travel Time

Distance: 66 km by road

SpeedTime
30 mph (48.3 km/h)01h 22m
40 mph (64.37 km/h)01h 01m
50 mph (80.47 km/h)00h 49m
60 mph (96.56 km/h)00h 41m
70 mph (112.65 km/h)00h 35m
80 mph (129 km/h)00h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.46 gal
5.51 L · about $5.51
Round trip
$11.01
2.92 gal · 11.02 L
Estimated CO2
13 kg one way
Round trip: 26 kg / 57 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $5.51 $11.01
Mid-grade $4.25 $6.21 $12.42
Premium $4.65 $6.79 $13.59
Diesel $5.30 $7.74 $15.49

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 02, 2026

There is no time difference between Wentzville and St. Louis. The current time is 22:18:56.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.