How far is Saint Peters, MO from Ballwin, MO?
The driving distance from Saint Peters, MO to Ballwin, MO is about 23.2 miles (37.3 km), with a travel time of about 00h 37m by car.
- The straight-line flight distance is about 14.9 miles (23.9 km).
- For a round trip, plan for roughly 01h 14m 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 37m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Saint Peters and Ballwin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Peters and Ballwin.
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1
Start on the route
1.2 mi · 1 min
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2
Take the exit slight right toward MO 79: Elsberry, Louisiana
725 ft · 15 sec
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3
Keep slight left to continue on MO 79
117 m · 15 sec
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4
Turn left
652 ft · 11 sec
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5
Take the ramp slight right toward I 70 East
1294 ft · 19 sec
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6
Merge slight left
4.5 mi · 6 min
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7
Take the exit slight right toward Cave Springs Road, Truman Road
987 ft · 21 sec
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8
Keep slight right
61 m · 5 sec
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9
Turn straight onto Cave Springs Road
772 ft · 18 sec · Cave Springs Road
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10
Continue on Muegge Road
2.8 mi · 6 min · Muegge Road
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11
Continue on Muegge Road
53 m · 6 sec · Muegge Road
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12
Continue on Muegge Road
759 ft · 13 sec · Muegge Road
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13
Take the ramp straight
1 km · 53 sec
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14
Merge slight left
3.1 mi · 4 min
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15
Take the exit slight right toward MO 141
1869 ft · 46 sec
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16
Keep slight right to continue on MO 141 South
128 m · 10 sec
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17
Merge slight left onto Maryland Heights Expressway
5.7 mi · 8 min · Maryland Heights Expressway
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18
Take the exit slight right toward Clayton Road, Woods Mill Road
1207 ft · 26 sec
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19
Turn straight onto South Woods Mill Road
874 ft · 21 sec · South Woods Mill Road
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20
Turn right onto Clayton Road
1.6 mi · 3 min · Clayton Road
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21
Turn left onto Baxter Road
2214 ft · 1 min · Baxter Road
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22
Turn straight onto Holloway Road
1.2 mi · 3 min · Holloway Road
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23
Turn right
67 m · 18 sec
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24
Turn right
67 m · 16 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Saint Peters 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.
Maryland Heights Expressway
Merge slight left onto Maryland Heights Expressway
5.7 mi · 00h 08m
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.
Chance Rain Showers leaving Saint Peters and Chance Rain Showers near Ballwin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Peters to Ballwin?
The road trip is about 23.2 miles (37.3 km) and usually takes 00h 37m 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?
Lake is a useful midpoint, sitting about 11.6 miles from Saint Peters and 11.6 miles from Ballwin.
How much longer is the road route than the straight-line distance?
The direct path is about 14.9 miles (23.9 km), while the road route adds roughly 8.3 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 7:16 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.09 one way or $6.18 round trip. Estimated CO2 is about 7.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Saint Peters and Chance Rain Showers near Ballwin.
Stop Ideas Near Lake
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
Jennings City Hall
Ferguson Finance Director
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 Saint Peters and Ballwin. Straight-line distance: 14.83 mi (23.87 km).
#1 Saint Peters
The most populous city in St.
| Population | 58,043 |
| Coordinates | 38.8003300, -90.6265100 |
| Altitude | 134 |
| 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: 37 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 46m |
| 40 mph (64.37 km/h) | 00h 34m |
| 50 mph (80.47 km/h) | 00h 27m |
| 60 mph (96.56 km/h) | 00h 23m |
| 70 mph (112.65 km/h) | 00h 19m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.09 | $6.18 |
| Mid-grade | $4.25 | $3.49 | $6.97 |
| Premium | $4.65 | $3.82 | $7.63 |
| Diesel | $5.30 | $4.35 | $8.70 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.