How far is Sainte Genevieve County, MO from Wentzville, MO?

The driving distance from Sainte Genevieve County, MO to Wentzville, MO is about 90 miles (144.9 km), with a travel time of about 01h 29m by car.

  • The straight-line flight distance is about 72.7 miles (117 km).
  • For a round trip, plan for roughly 02h 59m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
90.02 mi
01h 29m
Flight
72.71 mi
117.02 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Sainte Genevieve County.

Flight Distance

Direct air line
72.71 mi
Kilometers
117.02 km
Flight Time
00h 08m

Driving Distance

Road route
90.02 mi
Kilometers
144.87 km
Drive Time
01h 29m

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 01h 29m.

Arrival Snapshot
Arrive in Wentzville
Thu, Oct 15, 4:04 PM CDT
Return by in Sainte Genevieve County
Thu, Oct 15, 5:34 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sainte Genevieve County
2026-10-15T14:34
Arrive Wentzville
Thu, Oct 15, 4:04 PM CDT
Route Timing
01h 29m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:30 AM to 11:30 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:30 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sainte Genevieve County
9:30 PM CDT
Morning start is best

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
Arnold
MO

City in Missouri

From Sainte Genevieve County
47.1 mi
00h 44m
To Wentzville
42.9 mi
00h 44m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Thursday

Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
2 to 10 mph S
Destination
79°F
This Afternoon

Chance Showers And Thunderstorms

Starts
Thu, Oct 15 2:00 PM CDT
Wind
10 mph SW

Driving Route Map

The map below follows the saved road route between Sainte Genevieve County and Wentzville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sainte Genevieve County and Wentzville.

  1. 1

    Start on the route

    3020 ft · 2 min

  2. 2

    Turn right onto River Aux Vases Church Road

    1.5 km · 4 min · River Aux Vases Church Road

  3. 3

    Turn right

    6.9 mi · 10 min

  4. 4

    Take the ramp sharp left toward I 55 North: Saint Louis

    1298 ft · 32 sec

  5. 5

    Merge slight left

    44.6 mi · 48 min

  6. 6

    Continue on Rosa Parks Highway

    1.3 mi · 2 min · Rosa Parks Highway

  7. 7

    Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago

    1279 ft · 27 sec

  8. 8

    Keep slight left to continue on I 270 West: Kansas City

    118 m · 8 sec

  9. 9

    Continue on I 270 West

    1.2 km · 1 min

  10. 10

    Merge slight left

    11.5 mi · 14 min

  11. 11

    Take the exit slight right toward I 64, US 40, US 61: Wentzville, Saint Louis

    705 ft · 17 sec

  12. 12

    Keep slight left to continue on I 64 West, US 40 West, US 61 North: Wentzville

    2009 ft · 49 sec

  13. 13

    Continue on I 64 West, US 40 West, US 61 North: Wentzville

    674 ft · 10 sec

  14. 14

    Merge slight left onto Avenue of the Saints

    25.6 mi · 31 min · Avenue of the Saints

  15. 15

    Take the exit slight right toward Pitman Avenue

    854 ft · 24 sec

  16. 16

    Turn left onto Pitman Avenue

    113 m · 9 sec · Pitman Avenue

  17. 17

    Turn right onto Luetkenhaus Boulevard

    791 ft · 23 sec · Luetkenhaus Boulevard

  18. 18

    Turn left onto East Pearce Boulevard

    2451 ft · 1 min · East Pearce Boulevard

  19. 19

    Turn left onto North Elm Street

    66 m · 12 sec · North Elm Street

  20. 20

    Turn right onto East Allen Street

    61 m · 9 sec · East Allen Street

  21. 21

    Arrive at your destination

    0 m · 1 sec · East Allen Street

Car Route Details

A richer read on the saved driving route between Sainte Genevieve County and Wentzville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
21 steps
7 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
23.3 / 100 mi
Decision points by distance
Main Roads
I 55 North
44.8 mi · 50%
Avenue of the Saints
25.6 mi · 28%
I 270 West
12.5 mi · 14%
Rosa Parks Highway
1.33 mi · 1%
River Aux Vases Church Road
0.93 mi · 1%
I 64 West
0.51 mi · 1%
Longest Stretch

I 55 North

Merge slight left

44.6 mi · 00h 48m

Route Summary

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

Trip Read

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.

Drive Time
01h 29m
Day trip friendly
Same-Day Return
03h 00m
Round-trip wheel time
Road vs Air
+17.3 mi
72.7 mi direct line
Halfway Stop
Arnold
00h 44m from Sainte Genevieve County
Leave By
3:30 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms leaving Sainte Genevieve County and Chance Showers And Thunderstorms near Wentzville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sainte Genevieve County to Wentzville?

The road trip is about 90 miles (144.9 km) and usually takes 01h 29m 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?

Arnold is a useful midpoint, sitting about 47.1 miles from Sainte Genevieve County and 42.9 miles from Wentzville.

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

The direct path is about 72.7 miles (117 km), while the road route adds roughly 17.3 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 3:30 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.64 one way or $25.28 round trip. Estimated CO2 is about 28.3 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms around Sainte Genevieve County and Chance Showers And Thunderstorms near Wentzville.

Stop Ideas Near Arnold

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

Mid-route Guidance
Local place coverage is thin around Arnold, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

RAIL

Kirkwood

17 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

26 mi away
551 South 16th St.
RAIL

Alton

57 mi away
3400 College Ave.
RAIL

Washington

57 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Sainte Genevieve County and Wentzville. Straight-line distance: 72.71 mi (117.02 km).

Sainte Genevieve County

#1 Sainte Genevieve County

County in Missouri, United States

Population17,919
Coordinates37.8944000, -90.1944200
Altitude218
CountryUnited States
Wentzville

#2 Wentzville

A city in St.

Population43,109
Coordinates38.8114400, -90.8529100
Altitude190
CountryUnited States
Start: (-90.194046, 37.893505)
End: East Allen Street (-90.852906, 38.81143)

Estimated Travel Time

Distance: 145 km by road

SpeedTime
30 mph (48.3 km/h)02h 59m
40 mph (64.37 km/h)02h 15m
50 mph (80.47 km/h)01h 48m
60 mph (96.56 km/h)01h 30m
70 mph (112.65 km/h)01h 17m
80 mph (129 km/h)01h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.18 gal
12.02 L · about $12.64
Round trip
$25.28
6.36 gal · 24.04 L
Estimated CO2
28.3 kg one way
Round trip: 56.5 kg / 125 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.98 $12.64 $25.28
Mid-grade $4.34 $13.80 $27.61
Premium $4.71 $14.97 $29.94
Diesel $5.99 $19.04 $38.08

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 · Oct 15, 2026

There is no time difference between Sainte Genevieve County and Wentzville. The current time is 14:34:29.

Distance to Other Cities

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