How far is Black Jack, MO from Wentzville, MO?
The driving distance from Black Jack, MO to Wentzville, MO is about 36.2 miles (58.2 km), with a travel time of about 00h 39m by car.
- The straight-line flight distance is about 31.6 miles (50.8 km).
- For a round trip, plan for roughly 01h 19m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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 39m.
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.
A city in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Black Jack and Wentzville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Black Jack and Wentzville.
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1
Start on Parker Road
120 m · 10 sec · Parker Road
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2
Continue on Old Halls Ferry Road
1.2 km · 1 min · Old Halls Ferry Road
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3
Turn right onto Mehl Avenue
3257 ft · 2 min · Mehl Avenue
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4
Turn right onto Netherton Drive
120 m · 19 sec · Netherton Drive
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5
Turn left onto New Halls Ferry Road
1171 ft · 20 sec · New Halls Ferry Road
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6
Turn sharp right onto Dunn Road
1859 ft · 53 sec · Dunn Road
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7
Take the ramp straight toward I 270 West
1385 ft · 34 sec
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8
Merge slight left onto Rosemary Straub Davison Highway
8.6 mi · 11 min · Rosemary Straub Davison Highway
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9
Take the exit slight right toward I 70: Saint Louis, Kansas City
1492 ft · 26 sec
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10
Continue on I 70: Saint Louis, Kansas City
2478 ft · 43 sec
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11
Keep slight right to continue on I 70 West: Kansas City
2439 ft · 42 sec
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12
Merge slight left
22.7 mi · 28 min
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13
Take the exit slight right toward MO Z
812 ft · 23 sec
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14
Enter the roundabout and take exit 1 toward South Church Street
6 m · 1 sec · South Church Street
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15
Exit the roundabout onto South Church Street
1037 ft · 39 sec · South Church Street
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16
Turn right onto West 4th Street
135 m · 20 sec · West 4th Street
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17
At the end of the road, turn left onto South Linn Avenue
706 ft · 26 sec · South Linn Avenue
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18
Turn right onto East Allen Street
12 m · 2 sec · East Allen Street
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19
Arrive at your destination
0 m · 1 sec · East Allen Street
Car Route Details
A richer read on the saved driving route between Black Jack and Wentzville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight left
22.7 mi · 00h 28m
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.
Showers And Thunderstorms Likely leaving Black Jack and Showers And Thunderstorms Likely near Wentzville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Black Jack to Wentzville?
The road trip is about 36.2 miles (58.2 km) and usually takes 00h 39m 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 Charles is a useful midpoint, sitting about 17.6 miles from Black Jack and 18.5 miles from Wentzville.
How much longer is the road route than the straight-line distance?
The direct path is about 31.6 miles (50.8 km), while the road route adds roughly 4.6 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 7:10 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.83 one way or $9.65 round trip. Estimated CO2 is about 11.4 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Black Jack and Showers And Thunderstorms Likely near Wentzville.
Stop Ideas Near Saint Charles
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
City of O'Fallon
Vinita Park City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Saint Charles.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Black Jack and Wentzville. Straight-line distance: 31.55 mi (50.78 km).
#1 Black Jack
Suburb in northern St.
| Population | 6,921 |
| Coordinates | 38.7933800, -90.2673300 |
| Altitude | 183 |
| 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: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 12m |
| 40 mph (64.37 km/h) | 00h 54m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 36m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.83 | $9.65 |
| Mid-grade | $4.25 | $5.44 | $10.89 |
| Premium | $4.65 | $5.96 | $11.91 |
| Diesel | $5.30 | $6.79 | $13.58 |
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 · Apr 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.