How far is Washington County, MO from Wentzville, MO?
The driving distance from Washington County, MO to Wentzville, MO is about 95.1 miles (153.1 km), with a travel time of about 01h 53m by car.
- The straight-line flight distance is about 58.7 miles (94.5 km).
- For a round trip, plan for roughly 03h 47m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
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 01h 53m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
City in Franklin County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Washington County and Wentzville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Washington County and Wentzville.
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1
Start on the route
2765 ft · 2 min
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2
Turn right
1 mi · 3 min
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3
Turn left onto Pleasant Hill Road
1.7 mi · 7 min · Pleasant Hill Road
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4
Turn left
21.5 mi · 38 min
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5
Keep slight left
7.4 mi · 13 min
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6
Take the ramp right toward I 44 East: Saint Louis
842 ft · 21 sec
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7
Merge slight left
14.1 mi · 15 min
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8
Take the exit slight right toward MO 47: Union, Saint Clair
1030 ft · 25 sec
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9
Keep slight left to continue on MO 47: Union, Saint Clair
32 m · 5 sec
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10
Turn left onto North Main Street
5.7 mi · 8 min · North Main Street
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11
At the end of the road, turn left
2437 ft · 55 sec
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12
Turn right
11.1 mi · 17 min
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13
Turn right
1.2 km · 2 min
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14
Continue straight
3.5 mi · 6 min
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15
At the end of the road, turn left
3.1 mi · 4 min
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16
Continue straight
4.9 mi · 7 min
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17
Turn left
7.3 mi · 11 min
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18
Enter the roundabout and take exit 1 toward South Church Street
26 m · 4 sec · South Church Street
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19
Exit the roundabout onto South Church Street
1037 ft · 39 sec · South Church Street
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20
Turn right onto West 4th Street
135 m · 20 sec · West 4th Street
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21
At the end of the road, turn left onto South Linn Avenue
706 ft · 26 sec · South Linn Avenue
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22
Turn right onto East Allen Street
12 m · 2 sec · East Allen Street
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23
Arrive at your destination
0 m · 1 sec · East Allen Street
Car Route Details
A richer read on the saved driving route between Washington County and Wentzville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn left
21.5 mi · 00h 38m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Showers And Thunderstorms leaving Washington 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 Washington County to Wentzville?
The road trip is about 95.1 miles (153.1 km) and usually takes 01h 53m 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?
Saint Clair is a useful midpoint, sitting about 42 miles from Washington County and 53.1 miles from Wentzville.
How much longer is the road route than the straight-line distance?
The direct path is about 58.7 miles (94.5 km), while the road route adds roughly 36.4 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 2:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.36 one way or $26.71 round trip. Estimated CO2 is about 29.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Washington County and Chance Showers And Thunderstorms near Wentzville.
Stop Ideas Near Saint Clair
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Saint Clair.
Washington
Hermann
Kirkwood
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Washington County and Wentzville. Straight-line distance: 58.73 mi (94.51 km).
#1 Washington County
County in Missouri, United States
| Population | 24,604 |
| Coordinates | 37.9616800, -90.8774200 |
| Altitude | 292 |
| 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: 153 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 10m |
| 40 mph (64.37 km/h) | 02h 22m |
| 50 mph (80.47 km/h) | 01h 54m |
| 60 mph (96.56 km/h) | 01h 35m |
| 70 mph (112.65 km/h) | 01h 21m |
| 80 mph (129 km/h) | 01h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.98 | $13.36 | $26.71 |
| Mid-grade | $4.34 | $14.59 | $29.17 |
| Premium | $4.71 | $15.82 | $31.63 |
| Diesel | $5.99 | $20.12 | $40.24 |
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