How far is Oakville, MO from Lake Saint Louis, MO?

The driving distance from Oakville, MO to Lake Saint Louis, MO is about 41.9 miles (67.5 km), with a travel time of about 00h 59m by car.

  • The straight-line flight distance is about 34.4 miles (55.4 km).
  • For a round trip, plan for roughly 01h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
41.94 mi
00h 59m
Flight
34.44 mi
55.43 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Oakville.

Flight Distance

Direct air line
34.44 mi
Kilometers
55.43 km
Flight Time
00h 04m

Driving Distance

Road route
41.94 mi
Kilometers
67.49 km
Drive Time
00h 59m

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 59m.

Arrival Snapshot
Arrive in Lake Saint Louis
Thu, Oct 15, 8:27 PM CDT
Return by in Oakville
Thu, Oct 15, 9:26 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Oakville
2026-10-15T19:28
Arrive Lake Saint Louis
Thu, Oct 15, 8:27 PM CDT
Route Timing
00h 59m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
8:59 AM to 10:59 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:32 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Oakville
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Lake
MO

Township in Missouri, United States

From Oakville
20.9 mi
00h 29m
To Lake Saint Louis
21 mi
00h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
This Afternoon

Showers And Thunderstorms Likely

Starts
Thu, Oct 15 2:00 PM CDT
Wind
9 mph SW
Destination
66°F
Overnight

Scattered Showers And Thunderstorms

Starts
Thu, Oct 15 12:00 AM CDT
Wind
2 mph NE

Driving Route Map

The map below follows the saved road route between Oakville and Lake Saint Louis.

Turn-by-Turn Driving Directions

Step-by-step road directions between Oakville and Lake Saint Louis.

  1. 1

    Start on the route

    37 m · 14 sec

  2. 2

    Turn left

    40 m · 15 sec

  3. 3

    Turn left onto Cliff Cave Road

    52 m · 8 sec · Cliff Cave Road

  4. 4

    Turn slight right onto MO 231

    49 m · 3 sec

  5. 5

    Turn slight right onto Telegraph Road

    1.7 mi · 3 min · Telegraph Road

  6. 6

    Take the ramp slight right toward I 255 West, US 50 West: Memphis

    1315 ft · 56 sec

  7. 7

    Merge slight left

    2.2 mi · 3 min

  8. 8

    Continue straight

    12 mi · 15 min

  9. 9

    Take the exit slight right toward I 64, US 40, US 61: Wentzville, Saint Louis

    705 ft · 17 sec

  10. 10

    Keep slight left to continue on I 64 West, US 40 West, US 61 North: Wentzville

    2009 ft · 49 sec

  11. 11

    Continue on I 64 West, US 40 West, US 61 North: Wentzville

    674 ft · 10 sec

  12. 12

    Merge slight left onto Avenue of the Saints

    22.3 mi · 27 min · Avenue of the Saints

  13. 13

    Take the exit slight right toward Lake Saint Louis Boulevard

    1764 ft · 50 sec

  14. 14

    Keep slight left to continue on Civic Center Drive

    1.4 km · 2 min · Civic Center Drive

  15. 15

    Turn right onto Dauphine Drive

    1.3 mi · 4 min · Dauphine Drive

  16. 16

    At the end of the road, turn right onto Rue Grand Drive

    1292 ft · 45 sec · Rue Grand Drive

  17. 17

    Turn right onto Savoy Drive

    71 m · 10 sec · Savoy Drive

  18. 18

    Arrive at your destination

    0 m · 1 sec · Savoy Drive

Car Route Details

A richer read on the saved driving route between Oakville and Lake Saint Louis.

OSRM road route
Drive Character

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.

Directions
18 steps
7 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
43 / 100 mi
Decision points by distance
Main Roads
Avenue of the Saints
22.3 mi · 53%
I 255 West
14.5 mi · 34%
Telegraph Road
1.74 mi · 4%
Dauphine Drive
1.26 mi · 3%
Civic Center Drive
0.85 mi · 2%
I 64 West
0.51 mi · 1%
Longest Stretch

Avenue of the Saints

Merge slight left onto Avenue of the Saints

22.3 mi · 00h 27m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
00h 59m
Day trip friendly
Same-Day Return
01h 58m
Round-trip wheel time
Road vs Air
+7.5 mi
34.4 mi direct line
Halfway Stop
Lake
00h 29m from Oakville
Leave By
4:32 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms Likely leaving Oakville and Scattered Showers And Thunderstorms near Lake Saint Louis.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Oakville to Lake Saint Louis?

The road trip is about 41.9 miles (67.5 km) and usually takes 00h 59m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Lake is a useful midpoint, sitting about 20.9 miles from Oakville and 21 miles from Lake Saint Louis.

How much longer is the road route than the straight-line distance?

The direct path is about 34.4 miles (55.4 km), while the road route adds roughly 7.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:32 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.88 one way or $11.77 round trip. Estimated CO2 is about 13.2 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Oakville and Scattered Showers And Thunderstorms near Lake Saint Louis.

Stop Ideas Near Lake

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Lake, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lake.

RAIL

Kirkwood

15 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

28 mi away
551 South 16th St.
RAIL

Alton

42 mi away
3400 College Ave.
RAIL

Washington

45 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Oakville and Lake Saint Louis. Straight-line distance: 34.44 mi (55.43 km).

Oakville

#1 Oakville

City in Halton Region, Ontario

Population36,143
Coordinates38.4700500, -90.3045600
Altitude183
CountryUnited States
Lake Saint Louis

#2 Lake Saint Louis

City in Saint Charles County, Missouri, United States

Population17,186
Coordinates38.7975500, -90.7856800
Altitude172
CountryUnited States
Start: Oakville (-90.30456, 38.47005)
End: Lake Saint Louis (-90.78568, 38.79755)

Estimated Travel Time

Distance: 67 km by road

SpeedTime
30 mph (48.3 km/h)01h 23m
40 mph (64.37 km/h)01h 02m
50 mph (80.47 km/h)00h 50m
60 mph (96.56 km/h)00h 41m
70 mph (112.65 km/h)00h 35m
80 mph (129 km/h)00h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.48 gal
5.6 L · about $5.88
Round trip
$11.77
2.96 gal · 11.2 L
Estimated CO2
13.2 kg one way
Round trip: 26.3 kg / 58 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.98 $5.88 $11.77
Mid-grade $4.34 $6.42 $12.85
Premium $4.71 $6.97 $13.93
Diesel $5.99 $8.86 $17.72

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

There is no time difference between Oakville and Lake Saint Louis. The current time is 19:28:47.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.