How far is Castle Point, MO from Lake Saint Louis, MO?

The driving distance from Castle Point, MO to Lake Saint Louis, MO is about 32.6 miles (52.4 km), with a travel time of about 00h 46m by car.

  • The straight-line flight distance is about 29.1 miles (46.8 km).
  • For a round trip, plan for roughly 01h 33m 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
32.59 mi
00h 46m
Flight
29.08 mi
46.8 km direct

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

Learn Distance

Choose another destination from Castle Point.

Flight Distance

Direct air line
29.08 mi
Kilometers
46.8 km
Flight Time
00h 03m

Driving Distance

Road route
32.59 mi
Kilometers
52.45 km
Drive Time
00h 46m

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 46m.

Arrival Snapshot
Arrive in Lake Saint Louis
Sun, Apr 19, 10:36 PM CDT
Return by in Castle Point
Sun, Apr 19, 11:23 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Castle Point
2026-04-19T21:50
Arrive Lake Saint Louis
Sun, Apr 19, 10:36 PM CDT
Route Timing
00h 46m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
8:47 AM to 10:47 AM CDT

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

Leave by
4:56 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Castle Point
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
Saint Charles
MO

A city in St.

From Castle Point
16.3 mi
00h 23m
To Lake Saint Louis
16.3 mi
00h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
12 mph W
Destination
63°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
8 to 12 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Lord Drive

    87 m · 15 sec · Lord Drive

  2. 2

    Turn right onto Duchess Drive

    1166 ft · 53 sec · Duchess Drive

  3. 3

    Turn right onto Edgefield Drive

    1370 ft · 1 min · Edgefield Drive

  4. 4

    Turn left onto Hudson Drive

    1352 ft · 1 min · Hudson Drive

  5. 5

    At the end of the road, turn right onto Halls Ferry Road

    1766 ft · 30 sec · Halls Ferry Road

  6. 6

    Keep slight left to continue on New Halls Ferry Road

    1.1 km · 1 min · New Halls Ferry Road

  7. 7

    Turn left onto Dunn Road

    1913 ft · 53 sec · Dunn Road

  8. 8

    Take the ramp straight toward I 270 West

    1385 ft · 34 sec

  9. 9

    Merge slight left onto Rosemary Straub Davison Highway

    8.6 mi · 11 min · Rosemary Straub Davison Highway

  10. 10

    Take the exit slight right toward I 70: Saint Louis, Kansas City

    1492 ft · 26 sec

  11. 11

    Continue on I 70: Saint Louis, Kansas City

    2478 ft · 43 sec

  12. 12

    Keep slight right to continue on I 70 West: Kansas City

    2439 ft · 42 sec

  13. 13

    Merge slight left

    18.2 mi · 23 min

  14. 14

    Take the exit slight right toward Lake Saint Louis Boulevard

    878 ft · 27 sec

  15. 15

    Turn left onto Lake Saint Louis Boulevard

    132 m · 12 sec · Lake Saint Louis Boulevard

  16. 16

    Enter the roundabout and take exit 1 toward Veterans Memorial Parkway

    26 m · 2 sec · Veterans Memorial Parkway

  17. 17

    Exit the roundabout onto Veterans Memorial Parkway

    1.2 mi · 2 min · Veterans Memorial Parkway

  18. 18

    Turn left onto De Loire Drive

    1517 ft · 1 min · De Loire Drive

  19. 19

    At the end of the road, turn left onto Savoy Drive

    2289 ft · 1 min · Savoy Drive

  20. 20

    Arrive at your destination

    0 m · 1 sec · Savoy Drive

Car Route Details

A richer read on the saved driving route between Castle Point 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
20 steps
10 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
61.3 / 100 mi
Decision points by distance
Main Roads
I 70 West
18.6 mi · 57%
Rosemary Straub Davison Highway
8.56 mi · 26%
Veterans Memorial Parkway
1.23 mi · 4%
I 70
0.75 mi · 2%
New Halls Ferry Road
0.69 mi · 2%
Savoy Drive
0.43 mi · 1%
Longest Stretch

I 70 West

Merge slight left

18.2 mi · 00h 23m

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 46m
Day trip friendly
Same-Day Return
01h 34m
Round-trip wheel time
Road vs Air
+3.5 mi
29.1 mi direct line
Halfway Stop
Saint Charles
00h 23m from Castle Point
Leave By
4:56 PM CDT
Morning start is best
Weather Watch

Sunny leaving Castle Point and Sunny near Lake Saint Louis.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 32.6 miles (52.4 km) and usually takes 00h 46m 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?

Saint Charles is a useful midpoint, sitting about 16.3 miles from Castle Point and 16.3 miles from Lake Saint Louis.

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

The direct path is about 29.1 miles (46.8 km), while the road route adds roughly 3.5 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 4:56 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.34 one way or $8.67 round trip. Estimated CO2 is about 10.2 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Castle Point and Sunny near Lake Saint Louis.

Stop Ideas Near Saint Charles

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Saint Charles and the surrounding midpoint area.
City Hall Park
Scenic stop 13.1 mi away

City Hall Park

Dardenne Prairie , MO
Dardenne Prairie, MO 63368
Rating 4.8/5 294 reviews Tourist attraction,Park
Jennings City Hall
Meeting point 14.4 mi away

Jennings City Hall

Jennings , MO
2120 Hord Ave, Jennings, MO 63136
Rating 4.3/5 26 reviews City Hall
Ferguson Finance Director
Nearby stop 11.5 mi away

Ferguson Finance Director

Ferguson , MO
110 Church St, Ferguson, MO 63135
Rating 5.0/5 1 reviews City tax office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Saint Charles.

RAIL

Kirkwood

23 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

30 mi away
551 South 16th St.
RAIL

Alton

33 mi away
3400 College Ave.
RAIL

Washington

52 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Castle Point and Lake Saint Louis. Straight-line distance: 29.08 mi (46.8 km).

Photo coming soon

#1 Castle Point

A census-designated place in Jefferson County, Missouri.

Population90,070
Coordinates38.7581100, -90.2481700
Altitude152
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: Castle Point (-90.24817, 38.75811)
End: Lake Saint Louis (-90.78568, 38.79755)

Estimated Travel Time

Distance: 52 km by road

SpeedTime
30 mph (48.3 km/h)01h 05m
40 mph (64.37 km/h)00h 48m
50 mph (80.47 km/h)00h 39m
60 mph (96.56 km/h)00h 32m
70 mph (112.65 km/h)00h 27m
80 mph (129 km/h)00h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.15 gal
4.35 L · about $4.34
Round trip
$8.67
2.3 gal · 8.7 L
Estimated CO2
10.2 kg one way
Round trip: 20.4 kg / 45 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $4.34 $8.67
Mid-grade $4.25 $4.89 $9.78
Premium $4.65 $5.35 $10.70
Diesel $5.30 $6.10 $12.20

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 20, 2026

There is no time difference between Castle Point and Lake Saint Louis. The current time is 21:50:07.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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