How far is Oakville, MO from Saint Ann, MO?
The driving distance from Oakville, MO to Saint Ann, MO is about 27.7 miles (44.5 km), with a travel time of about 00h 38m by car.
- The straight-line flight distance is about 18.3 miles (29.4 km).
- For a round trip, plan for roughly 01h 17m 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 38m.
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 Saint Louis County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Oakville and Saint Ann.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oakville and Saint Ann.
-
1
Start on the route
37 m · 14 sec
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2
Turn left
40 m · 15 sec
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3
Turn left onto Cliff Cave Road
52 m · 8 sec · Cliff Cave Road
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4
Turn slight right onto MO 231
49 m · 3 sec
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5
Turn slight right onto Telegraph Road
1.7 mi · 3 min · Telegraph Road
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6
Take the ramp slight right toward I 255 West, US 50 West: Memphis
1315 ft · 56 sec
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7
Merge slight left
2.2 mi · 3 min
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8
Continue straight
18.7 mi · 23 min
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9
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
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10
Keep slight right to continue on I 70 East: Saint Louis
2031 ft · 33 sec
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11
Merge slight left
1.6 km · 1 min
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12
Take the exit slight right toward MO 180: Saint Charles Rock Road
1485 ft · 32 sec
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13
Turn right onto Saint Charles Rock Road
1.1 km · 1 min · Saint Charles Rock Road
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14
Continue on Saint Charles Rock Road
1.2 mi · 2 min · Saint Charles Rock Road
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15
Turn right onto San Jose Lane
90 m · 13 sec · San Jose Lane
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16
Continue on San Jose Lane
38 m · 5 sec · San Jose Lane
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17
Arrive at your destination
0 m · 1 sec · San Jose Lane
Car Route Details
A richer read on the saved driving route between Oakville and Saint Ann.
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.
I 255 West
Continue straight
18.7 mi · 00h 23m
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 Likely leaving Oakville and Showers And Thunderstorms near Saint Ann.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oakville to Saint Ann?
The road trip is about 27.7 miles (44.5 km) and usually takes 00h 38m 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?
Des Peres is a useful midpoint, sitting about 13.9 miles from Oakville and 13.8 miles from Saint Ann.
How much longer is the road route than the straight-line distance?
The direct path is about 18.3 miles (29.4 km), while the road route adds roughly 9.4 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 7:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.86 one way or $7.71 round trip. Estimated CO2 is about 8.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Oakville and Showers And Thunderstorms near Saint Ann.
Stop Ideas Near Des Peres
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 Des Peres.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Oakville and Saint Ann. Straight-line distance: 18.27 mi (29.41 km).
#1 Oakville
City in Halton Region, Ontario
| Population | 36,143 |
| Coordinates | 38.4700500, -90.3045600 |
| Altitude | 183 |
| Country | United States |
#2 Saint Ann
City in Saint Louis County, Missouri, United States
| Population | 12,583 |
| Coordinates | 38.7272700, -90.3831700 |
| Altitude | 177 |
| Country | United States |
End: Saint Ann (-90.38317, 38.72727)
Estimated Travel Time
Distance: 45 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 55m |
| 40 mph (64.37 km/h) | 00h 41m |
| 50 mph (80.47 km/h) | 00h 33m |
| 60 mph (96.56 km/h) | 00h 27m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.98 | $3.86 | $7.71 |
| Mid-grade | $4.34 | $4.21 | $8.42 |
| Premium | $4.71 | $4.57 | $9.13 |
| Diesel | $5.99 | $5.81 | $11.62 |
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