How far is St. Louis, MO from Clayton, MO?
The driving distance from St. Louis, MO to Clayton, MO is about 7.4 miles (11.9 km), with a travel time of about 00h 13m by car.
- The straight-line flight distance is about 6.9 miles (11.1 km).
- For a round trip, plan for roughly 00h 26m 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 13m.
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.
Suburb in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between St. Louis and Clayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Clayton.
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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
3.6 mi · 5 min · Jack Buck Memorial Highway
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4
Take the exit slight right toward Clayton Road, Skinker Boulevard
1781 ft · 46 sec
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5
Continue on Clayton Road
1.5 km · 2 min · Clayton Road
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6
Turn right onto Broadview Drive
23 m · 8 sec · Broadview Drive
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7
Continue on Broadview Drive
1536 ft · 1 min · Broadview Drive
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8
Turn slight right onto Hillvale Drive
1225 ft · 54 sec · Hillvale Drive
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9
Arrive at your destination
0 m · 1 sec · Hillvale Drive
Car Route Details
A richer read on the saved driving route between St. Louis and Clayton.
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.
Jack Buck Memorial Highway
Merge slight left onto Jack Buck Memorial Highway
3.62 mi · 00h 05m
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.
Slight Chance Showers And Thunderstorms leaving St. Louis and Slight Chance Showers And Thunderstorms near Clayton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Clayton?
The road trip is about 7.4 miles (11.9 km) and usually takes 00h 13m 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?
University City is a useful midpoint, sitting about 3.7 miles from St. Louis and 3.7 miles from Clayton.
How much longer is the road route than the straight-line distance?
The direct path is about 6.9 miles (11.1 km), while the road route adds roughly 0.5 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 8:04 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.98 one way or $1.96 round trip. Estimated CO2 is about 2.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around St. Louis and Slight Chance Showers And Thunderstorms near Clayton.
Stop Ideas Near University City
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 University City.
Gateway Transportation Center
Kirkwood
Alton
Washington
Flight Path Map
This map shows the direct air route between St. Louis and Clayton. Straight-line distance: 6.87 mi (11.06 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 Clayton
Inner-ring suburb of St.
| Population | 16,775 |
| Coordinates | 38.6425500, -90.3237300 |
| Altitude | 173 |
| Country | United States |
End: Clayton (-90.32373, 38.64255)
Estimated Travel Time
Distance: 12 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 14m |
| 40 mph (64.37 km/h) | 00h 11m |
| 50 mph (80.47 km/h) | 00h 08m |
| 60 mph (96.56 km/h) | 00h 07m |
| 70 mph (112.65 km/h) | 00h 06m |
| 80 mph (129 km/h) | 00h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $0.98 | $1.96 |
| Mid-grade | $4.25 | $1.11 | $2.21 |
| Premium | $4.65 | $1.21 | $2.42 |
| Diesel | $5.30 | $1.38 | $2.76 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.