How far is St. Louis, MO from Dardenne Prairie, MO?
The driving distance from St. Louis, MO to Dardenne Prairie, MO is about 35.4 miles (56.9 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 30.3 miles (48.7 km).
- For a round trip, plan for roughly 01h 39m 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 00h 49m.
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.
Township in Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Isolated Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between St. Louis and Dardenne Prairie.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Dardenne Prairie.
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1
Start on Market Street
1.6 mi · 3 min · Market Street
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2
Take the ramp slight left toward I 64 West, US 40 West: Wentzville
1531 ft · 24 sec
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3
Merge slight left onto Jack Buck Memorial Highway
4.3 mi · 6 min · Jack Buck Memorial Highway
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4
Continue on Daniel Boone Expressway
5.7 mi · 7 min · Daniel Boone Expressway
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5
Continue on Avenue of the Saints
17.4 mi · 22 min · Avenue of the Saints
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6
Take the exit slight right toward MO K: O'Fallon
100 m · 6 sec
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7
Merge slight right onto North Outer Road
1650 ft · 31 sec · North Outer Road
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8
Continue on North Outer Road
946 ft · 18 sec · North Outer Road
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9
Turn right
3.2 mi · 5 min
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10
Turn left
1.7 mi · 3 min
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11
Turn right onto Monet Drive
901 ft · 45 sec · Monet Drive
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12
Turn left onto Renoir Drive
890 ft · 44 sec · Renoir Drive
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13
Turn left onto Van Gogh Drive
1123 ft · 56 sec · Van Gogh Drive
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14
At the end of the road, turn left onto Rembrandt Drive
90 m · 13 sec · Rembrandt Drive
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15
Arrive at your destination
0 m · 1 sec · Rembrandt Drive
Car Route Details
A richer read on the saved driving route between St. Louis and Dardenne Prairie.
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.
Avenue of the Saints
Continue on Avenue of the Saints
17.4 mi · 00h 22m
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.
Isolated Showers And Thunderstorms leaving St. Louis and Showers And Thunderstorms Likely near Dardenne Prairie.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Dardenne Prairie?
The road trip is about 35.4 miles (56.9 km) and usually takes 00h 49m 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?
Lake is a useful midpoint, sitting about 17.6 miles from St. Louis and 17.7 miles from Dardenne Prairie.
How much longer is the road route than the straight-line distance?
The direct path is about 30.3 miles (48.7 km), while the road route adds roughly 5.1 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 4:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.71 one way or $9.43 round trip. Estimated CO2 is about 11.1 kg one way.
What should you check before leaving?
Before you leave, expect Isolated Showers And Thunderstorms around St. Louis and Showers And Thunderstorms Likely near Dardenne Prairie.
Stop Ideas Near Lake
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 Lake.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between St. Louis and Dardenne Prairie. Straight-line distance: 30.28 mi (48.73 km).
#1 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| Country | United States |
#2 Dardenne Prairie
City in Saint Charles County, Missouri, United States
| Population | 13,397 |
| Coordinates | 38.7695000, -90.7290200 |
| Altitude | 187 |
| Country | United States |
End: Dardenne Prairie (-90.72902, 38.7695)
Estimated Travel Time
Distance: 57 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 10m |
| 40 mph (64.37 km/h) | 00h 53m |
| 50 mph (80.47 km/h) | 00h 42m |
| 60 mph (96.56 km/h) | 00h 35m |
| 70 mph (112.65 km/h) | 00h 30m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.71 | $9.43 |
| Mid-grade | $4.25 | $5.32 | $10.63 |
| Premium | $4.65 | $5.82 | $11.64 |
| Diesel | $5.30 | $6.63 | $13.26 |
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.