How far is St. Louis, MO from Ballwin, MO?
The driving distance from St. Louis, MO to Ballwin, MO is about 22.1 miles (35.6 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 19 miles (30.5 km).
- For a round trip, plan for roughly 01h 07m 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 33m.
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.
City in Missouri, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between St. Louis and Ballwin.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Ballwin.
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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
1.8 mi · 2 min · Avenue of the Saints
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6
Take the exit slight right toward I 270: Memphis, Chicago
781 ft · 17 sec
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7
Keep slight left to continue on I 270 South: Memphis
79 m · 6 sec
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8
Continue on I 270 South: Memphis
2972 ft · 59 sec
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9
Merge slight left
1.6 mi · 2 min
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10
Take the exit slight right toward MO 100: Manchester Road
1507 ft · 21 sec
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11
Keep slight right to continue on MO 100 West: Manchester Road West
577 ft · 20 sec
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12
Continue on MO 100 West: Manchester Road
150 m · 17 sec
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13
Turn straight onto Manchester Road
5.3 mi · 10 min · Manchester Road
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14
Take the exit slight right
51 m · 5 sec
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15
Turn right onto Holloway Road
129 m · 17 sec · Holloway Road
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16
Turn left
67 m · 18 sec
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17
Turn right
67 m · 16 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between St. Louis and Ballwin.
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.
Daniel Boone Expressway
Continue on Daniel Boone Expressway
5.72 mi · 00h 07m
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.
Mostly Sunny leaving St. Louis and Sunny near Ballwin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Ballwin?
The road trip is about 22.1 miles (35.6 km) and usually takes 00h 33m 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?
Frontenac is a useful midpoint, sitting about 11.1 miles from St. Louis and 11.1 miles from Ballwin.
How much longer is the road route than the straight-line distance?
The direct path is about 19 miles (30.5 km), while the road route adds roughly 3.1 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.94 one way or $5.88 round trip. Estimated CO2 is about 6.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around St. Louis and Sunny near Ballwin.
Stop Ideas Near Frontenac
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 Frontenac.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between St. Louis and Ballwin. Straight-line distance: 18.94 mi (30.48 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 Ballwin
City in Saint Louis County, Missouri, United States
| Population | 30,094 |
| Coordinates | 38.5950500, -90.5462300 |
| Altitude | 192 |
| Country | United States |
End: Ballwin (-90.54623, 38.59505)
Estimated Travel Time
Distance: 36 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 44m |
| 40 mph (64.37 km/h) | 00h 33m |
| 50 mph (80.47 km/h) | 00h 26m |
| 60 mph (96.56 km/h) | 00h 22m |
| 70 mph (112.65 km/h) | 00h 18m |
| 80 mph (129 km/h) | 00h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.94 | $5.88 |
| Mid-grade | $4.25 | $3.32 | $6.63 |
| Premium | $4.65 | $3.63 | $7.26 |
| Diesel | $5.30 | $4.14 | $8.27 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.