How far is Saint Robert, MO from Wentzville, MO?

The driving distance from Saint Robert, MO to Wentzville, MO is about 118.6 miles (190.8 km), with a travel time of about 02h 07m by car.

  • The straight-line flight distance is about 98.9 miles (159.1 km).
  • For a round trip, plan for roughly 04h 14m 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
118.54 mi
02h 07m
Flight
98.86 mi
159.1 km direct

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

Learn Distance

Choose another destination from Saint Robert.

Flight Distance

Direct air line
98.86 mi
Kilometers
159.1 km
Flight Time
00h 11m

Driving Distance

Road route
118.54 mi
Kilometers
190.77 km
Drive Time
02h 07m

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 02h 07m.

Arrival Snapshot
Arrive in Wentzville
Thu, Oct 15, 1:38 PM CDT
Return by in Saint Robert
Thu, Oct 15, 3:46 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Robert
2026-10-15T11:31
Arrive Wentzville
Thu, Oct 15, 1:38 PM CDT
Route Timing
02h 07m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:07 AM to 12:07 PM CDT

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

Leave by
2:16 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Robert
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
Bourbon
MO

City in Crawford County, Missouri, United States

From Saint Robert
59.2 mi
01h 03m
To Wentzville
59.3 mi
01h 03m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
3 to 12 mph SW
Destination
81°F
Thursday

Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
3 to 9 mph S

Driving Route Map

The map below follows the saved road route between Saint Robert and Wentzville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Robert and Wentzville.

  1. 1

    Start on the route

    1.2 km · 1 min

  2. 2

    Turn left onto I 44 East: Rolla

    652 ft · 16 sec

  3. 3

    Merge slight left

    80.1 mi · 1 hr 27 min

  4. 4

    Take the exit slight right toward MO 47: Union, Saint Clair

    1030 ft · 25 sec

  5. 5

    Keep slight left to continue on MO 47: Union, Saint Clair

    32 m · 5 sec

  6. 6

    Turn left onto North Main Street

    5.7 mi · 8 min · North Main Street

  7. 7

    At the end of the road, turn left

    2437 ft · 55 sec

  8. 8

    Turn right

    11.1 mi · 17 min

  9. 9

    Turn right

    1.2 km · 2 min

  10. 10

    Continue straight

    3.5 mi · 6 min

  11. 11

    At the end of the road, turn left

    3.1 mi · 4 min

  12. 12

    Continue straight

    4.9 mi · 7 min

  13. 13

    Turn left

    7.3 mi · 11 min

  14. 14

    Enter the roundabout and take exit 1 toward South Church Street

    26 m · 4 sec · South Church Street

  15. 15

    Exit the roundabout onto South Church Street

    1037 ft · 39 sec · South Church Street

  16. 16

    Turn right onto West 4th Street

    135 m · 20 sec · West 4th Street

  17. 17

    At the end of the road, turn left onto South Linn Avenue

    706 ft · 26 sec · South Linn Avenue

  18. 18

    Turn right onto East Allen Street

    12 m · 2 sec · East Allen Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · East Allen Street

Car Route Details

A richer read on the saved driving route between Saint Robert 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
19 steps
12 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
16 / 100 mi
Decision points by distance
Main Roads
I 44 East
80.2 mi · 68%
North Main Street
14.2 mi · 12%
MO 47
0.21 mi
South Church Street
0.21 mi
South Linn Avenue
0.13 mi
West 4th Street
0.08 mi
Longest Stretch

I 44 East

Merge slight left

80.1 mi · 01h 27m

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
02h 07m
Day trip friendly
Same-Day Return
04h 14m
Round-trip wheel time
Road vs Air
+19.7 mi
98.9 mi direct line
Halfway Stop
Bourbon
01h 03m from Saint Robert
Leave By
2:16 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms leaving Saint Robert and 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 Saint Robert to Wentzville?

The road trip is about 118.6 miles (190.8 km) and usually takes 02h 07m 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?

Bourbon is a useful midpoint, sitting about 59.2 miles from Saint Robert and 59.3 miles from Wentzville.

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

The direct path is about 98.9 miles (159.1 km), while the road route adds roughly 19.7 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 2:16 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $16.62 one way or $33.23 round trip. Estimated CO2 is about 37.1 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Saint Robert and Showers And Thunderstorms near Wentzville.

Stop Ideas Near Bourbon

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

Mid-route Guidance
Local place coverage is thin around Bourbon, 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 Bourbon.

RAIL

Washington

50 mi away
301 West Front St.
RAIL

Hermann

64 mi away
Wharf & Gutenberg Sts.
RAIL

Kirkwood

87 mi away
110 West Argonne Dr.
RAIL

Jefferson City

94 mi away
101 Jefferson Street

Flight Path Map

This map shows the direct air route between Saint Robert and Wentzville. Straight-line distance: 98.86 mi (159.1 km).

Saint Robert

#1 Saint Robert

City in Pulaski County, Missouri, United States

Population6,358
Coordinates37.8281000, -92.1776700
Altitude317
CountryUnited States
Wentzville

#2 Wentzville

A city in St.

Population43,109
Coordinates38.8114400, -90.8529100
Altitude190
CountryUnited States
Start: Old Route 66 (-92.177623, 37.828403)
End: East Allen Street (-90.852906, 38.81143)

Estimated Travel Time

Distance: 191 km by road

SpeedTime
30 mph (48.3 km/h)03h 56m
40 mph (64.37 km/h)02h 57m
50 mph (80.47 km/h)02h 22m
60 mph (96.56 km/h)01h 58m
70 mph (112.65 km/h)01h 41m
80 mph (129 km/h)01h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.18 gal
15.83 L · about $16.62
Round trip
$33.23
8.36 gal · 31.66 L
Estimated CO2
37.1 kg one way
Round trip: 74.3 kg / 164 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.98 $16.62 $33.23
Mid-grade $4.34 $18.15 $36.29
Premium $4.71 $19.68 $39.35
Diesel $5.99 $25.03 $50.06

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 Saint Robert and Wentzville. The current time is 11:31:40.

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.