How far is Clayton, MO from Oakville, MO?
The driving distance from Clayton, MO to Oakville, MO is about 24.9 miles (40.1 km), with a travel time of about 00h 29m by car.
- The straight-line flight distance is about 12 miles (19.3 km).
- For a round trip, plan for roughly 00h 58m 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 29m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Clayton and Oakville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Clayton and Oakville.
-
1
Start on Hillvale Drive
1225 ft · 54 sec · Hillvale Drive
-
2
Turn straight onto Broadview Drive
1536 ft · 1 min · Broadview Drive
-
3
Continue on Broadview Drive
23 m · 8 sec · Broadview Drive
-
4
Turn left onto Clayton Road
1.4 km · 2 min · Clayton Road
-
5
Turn right onto Clayton Avenue
145 m · 17 sec · Clayton Avenue
-
6
Turn right onto McCausland Avenue
1.7 mi · 3 min · McCausland Avenue
-
7
Continue on Ellendale Avenue
2852 ft · 56 sec · Ellendale Avenue
-
8
Continue on Wellington Avenue
1740 ft · 35 sec · Wellington Avenue
-
9
Continue on Wabash Avenue
1709 ft · 34 sec · Wabash Avenue
-
10
Turn right onto Lansdowne Avenue
651 ft · 25 sec · Lansdowne Avenue
-
11
Turn left onto River Des Peres Boulevard
1878 ft · 40 sec · River Des Peres Boulevard
-
12
Turn right onto Weil Avenue
88 m · 17 sec · Weil Avenue
-
13
Continue on Weil Avenue
605 ft · 21 sec · Weil Avenue
-
14
At the end of the road, turn right onto Chippewa Street
599 ft · 17 sec · Chippewa Street
-
15
Continue on Watson Road
801 ft · 19 sec · Watson Road
-
16
Turn left onto Mackenzie Road
3.3 mi · 7 min · Mackenzie Road
-
17
Turn straight onto Reavis Barracks Road
1.1 km · 1 min · Reavis Barracks Road
-
18
Take the ramp slight right toward I 55 South
997 ft · 14 sec
-
19
Merge slight left
1.5 mi · 2 min
-
20
Take the exit slight right toward US 50, US 61, US 67, I 255, I 270: Lindbergh Boulevard, Chicago, Kansas City
1267 ft · 27 sec
-
21
Keep slight left to continue on US 61, US 67, US 50: Lindbergh Boulevard
886 ft · 19 sec
-
22
Keep slight left to continue on US 61 South, US 67 South, US 50 East: Lindbergh Boulevard
100 m · 9 sec
-
23
Turn slight left onto South Lindbergh Boulevard
1.3 km · 2 min · South Lindbergh Boulevard
-
24
Take the ramp slight right toward I 255 East, US 50 East: Illinois
1.1 mi · 1 min
-
25
Take the exit slight right toward MO 231: Telegraph Road
1700 ft · 36 sec
-
26
Turn right onto Telegraph Road
1.6 mi · 3 min · Telegraph Road
-
27
Turn left onto Cliff Cave Road
89 m · 15 sec · Cliff Cave Road
-
28
Turn right
40 m · 11 sec
-
29
Turn right
37 m · 9 sec
-
30
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Clayton and Oakville.
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.
Mackenzie Road
Turn left onto Mackenzie Road
3.25 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.
Showers And Thunderstorms leaving Clayton and Showers And Thunderstorms then Chance Showers And Thunderstorms near Oakville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Clayton to Oakville?
The road trip is about 24.9 miles (40.1 km) and usually takes 00h 29m 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?
Affton is a useful midpoint, sitting about 7.6 miles from Clayton and 17.2 miles from Oakville.
How much longer is the road route than the straight-line distance?
The direct path is about 12 miles (19.3 km), while the road route adds roughly 12.9 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 7:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.50 one way or $7.00 round trip. Estimated CO2 is about 7.8 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Clayton and Showers And Thunderstorms then Chance Showers And Thunderstorms near Oakville.
Stop Ideas Near Affton
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 Affton.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Clayton and Oakville. Straight-line distance: 11.96 mi (19.25 km).
#1 Clayton
Inner-ring suburb of St.
| Population | 16,775 |
| Coordinates | 38.6425500, -90.3237300 |
| Altitude | 173 |
| Country | United States |
#2 Oakville
City in Halton Region, Ontario
| Population | 36,143 |
| Coordinates | 38.4700500, -90.3045600 |
| Altitude | 183 |
| Country | United States |
End: Cliff Cave Road (-90.304531, 38.470247)
Estimated Travel Time
Distance: 40 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 49m |
| 40 mph (64.37 km/h) | 00h 37m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.98 | $3.50 | $7.00 |
| Mid-grade | $4.34 | $3.82 | $7.64 |
| Premium | $4.71 | $4.14 | $8.28 |
| Diesel | $5.99 | $5.27 | $10.54 |
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 · Oct 15, 2026