How far is Sullivan, MO from Wentzville, MO?
The driving distance from Sullivan, MO to Wentzville, MO is about 54.1 miles (87.1 km), with a travel time of about 01h 13m by car.
- The straight-line flight distance is about 44.9 miles (72.2 km).
- For a round trip, plan for roughly 02h 27m 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 13m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Sullivan and Wentzville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sullivan and Wentzville.
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1
Start on the route
17 m · 6 sec
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2
Turn right onto West Washington Street
35 m · 3 sec · West Washington Street
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3
Enter the roundabout and take exit 3 toward West Vine Street
54 m · 7 sec · West Vine Street
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4
Exit the roundabout onto West Vine Street
635 ft · 23 sec · West Vine Street
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5
Turn left onto South Church Street
1965 ft · 56 sec · South Church Street
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6
At the end of the road, turn right onto West Springfield Road
1.3 km · 1 min · West Springfield Road
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7
Turn left
990 ft · 23 sec
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8
Take the ramp right toward I 44 East: Saint Louis
842 ft · 21 sec
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9
Merge slight left
14.1 mi · 15 min
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10
Take the exit slight right toward MO 47: Union, Saint Clair
1030 ft · 25 sec
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11
Keep slight left to continue on MO 47: Union, Saint Clair
32 m · 5 sec
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12
Turn left onto North Main Street
5.7 mi · 8 min · North Main Street
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13
At the end of the road, turn left
2437 ft · 55 sec
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14
Turn right
11.1 mi · 17 min
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15
Turn right
1.2 km · 2 min
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16
Continue straight
3.5 mi · 6 min
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17
At the end of the road, turn left
3.1 mi · 4 min
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18
Continue straight
4.9 mi · 7 min
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19
Turn left
7.3 mi · 11 min
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20
Enter the roundabout and take exit 1 toward South Church Street
26 m · 4 sec · South Church Street
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21
Exit the roundabout onto South Church Street
1037 ft · 39 sec · South Church Street
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22
Turn right onto West 4th Street
135 m · 20 sec · West 4th Street
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23
At the end of the road, turn left onto South Linn Avenue
706 ft · 26 sec · South Linn Avenue
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24
Turn right onto East Allen Street
12 m · 2 sec · East Allen Street
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25
Arrive at your destination
0 m · 1 sec · East Allen Street
Car Route Details
A richer read on the saved driving route between Sullivan and Wentzville.
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.
I 44 East
Merge slight left
14.1 mi · 00h 15m
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.
Chance Showers And Thunderstorms leaving Sullivan 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 Sullivan to Wentzville?
The road trip is about 54.1 miles (87.1 km) and usually takes 01h 13m 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?
Washington is a useful midpoint, sitting about 26.7 miles from Sullivan and 27.4 miles from Wentzville.
How much longer is the road route than the straight-line distance?
The direct path is about 44.9 miles (72.2 km), while the road route adds roughly 9.2 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 4:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.59 one way or $15.18 round trip. Estimated CO2 is about 17 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Sullivan and Showers And Thunderstorms near Wentzville.
Stop Ideas Near Washington
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 Washington.
Washington
Hermann
Kirkwood
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Sullivan and Wentzville. Straight-line distance: 44.88 mi (72.23 km).
#1 Sullivan
City in Missouri
| Population | 7,117 |
| Coordinates | 38.2081000, -91.1604200 |
| Altitude | 299 |
| 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: 87 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 48m |
| 40 mph (64.37 km/h) | 01h 21m |
| 50 mph (80.47 km/h) | 01h 04m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 46m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.98 | $7.59 | $15.18 |
| Mid-grade | $4.34 | $8.29 | $16.58 |
| Premium | $4.71 | $8.99 | $17.98 |
| Diesel | $5.99 | $11.44 | $22.87 |
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