How far is Chesterfield, MO from Clayton, MO?
The driving distance from Chesterfield, MO to Clayton, MO is about 15.9 miles (25.6 km), with a travel time of about 00h 23m by car.
- The straight-line flight distance is about 13.7 miles (22.1 km).
- For a round trip, plan for roughly 00h 46m 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 23m.
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.
Village in west St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Chesterfield and Clayton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chesterfield and Clayton.
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1
Start on Santa Maria Drive
33 m · 8 sec · Santa Maria Drive
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2
Turn left onto Old Chesterfield Road
751 ft · 33 sec · Old Chesterfield Road
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3
Turn right onto Baxter Road
1507 ft · 37 sec · Baxter Road
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4
Take the ramp slight right toward I 64 East, US 40 East, US 61 South
924 ft · 23 sec
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5
Merge slight left onto Avenue of the Saints
9.4 mi · 12 min · Avenue of the Saints
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6
Continue on Daniel Boone Expressway
3.2 mi · 4 min · Daniel Boone Expressway
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7
Take the exit slight right toward I 170 North
897 ft · 13 sec
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8
Keep slight left to continue on Brentwood Boulevard, Hanley Road
1648 ft · 42 sec
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9
Continue on South Service Road
3245 ft · 2 min · South Service Road
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10
Turn left onto South Hanley Road
1.5 km · 2 min · South Hanley Road
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11
Turn right onto Wydown Boulevard
3050 ft · 1 min · Wydown Boulevard
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12
Turn right onto Hillvale Drive
54 m · 8 sec · Hillvale Drive
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13
Arrive at your destination
0 m · 1 sec · Hillvale Drive
Car Route Details
A richer read on the saved driving route between Chesterfield 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.
Avenue of the Saints
Merge slight left onto Avenue of the Saints
9.43 mi · 00h 12m
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 Cloudy then Slight Chance Showers And Thunderstorms leaving Chesterfield 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 Chesterfield to Clayton?
The road trip is about 15.9 miles (25.6 km) and usually takes 00h 23m 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?
Westwood is a useful midpoint, sitting about 8 miles from Chesterfield and 8 miles from Clayton.
How much longer is the road route than the straight-line distance?
The direct path is about 13.7 miles (22.1 km), while the road route adds roughly 2.2 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.11 one way or $4.22 round trip. Estimated CO2 is about 5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Slight Chance Showers And Thunderstorms around Chesterfield and Slight Chance Showers And Thunderstorms near Clayton.
Stop Ideas Near Westwood
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 Westwood.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Chesterfield and Clayton. Straight-line distance: 13.74 mi (22.12 km).
#1 Chesterfield
A city in St.
| Population | 47,570 |
| Coordinates | 38.6631100, -90.5770700 |
| Altitude | 144 |
| 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: 26 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 31m |
| 40 mph (64.37 km/h) | 00h 23m |
| 50 mph (80.47 km/h) | 00h 19m |
| 60 mph (96.56 km/h) | 00h 15m |
| 70 mph (112.65 km/h) | 00h 13m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.11 | $4.22 |
| Mid-grade | $4.25 | $2.38 | $4.76 |
| Premium | $4.65 | $2.61 | $5.21 |
| Diesel | $5.30 | $2.97 | $5.94 |
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.