How far is Saint Charles, MO from Terre du Lac, MO?

The driving distance from Saint Charles, MO to Terre du Lac, MO is about 76.4 miles (123 km), with a travel time of about 01h 40m by car.

  • The straight-line flight distance is about 60.8 miles (97.8 km).
  • For a round trip, plan for roughly 03h 21m 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
76.4 mi
01h 40m
Flight
60.77 mi
97.8 km direct

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

Learn Distance

Choose another destination from Saint Charles.

Flight Distance

Direct air line
60.77 mi
Kilometers
97.8 km
Flight Time
00h 07m

Driving Distance

Road route
76.4 mi
Kilometers
122.95 km
Drive Time
01h 40m

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 01h 40m.

Arrival Snapshot
Arrive in Terre du Lac
Thu, Oct 15, 11:48 PM CDT
Return by in Saint Charles
Fri, Oct 16, 1:29 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Charles
2026-10-15T22:08
Arrive Terre du Lac
Thu, Oct 15, 11:48 PM CDT
Route Timing
01h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:41 AM to 11:41 AM CDT

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

Leave by
3:08 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Charles
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
Barnhart
MO

Census designated place

From Saint Charles
38.2 mi
00h 50m
To Terre du Lac
38.2 mi
00h 50m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80ยฐF
This Afternoon

Chance Showers And Thunderstorms

Starts
Thu, Oct 15 2:00 PM CDT
Wind
10 mph SW
Destination
82ยฐF
This Afternoon

Showers And Thunderstorms

Starts
Thu, Oct 15 1:00 PM CDT
Wind
10 mph SW

Driving Route Map

The map below follows the saved road route between Saint Charles and Terre du Lac.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Charles and Terre du Lac.

  1. 1

    Start on North Second Street

    949 ft ยท 38 sec ยท North Second Street

  2. 2

    Turn right onto Jefferson Street

    1093 ft ยท 45 sec ยท Jefferson Street

  3. 3

    Turn left onto South Fifth Street

    1.1 mi ยท 3 min ยท South Fifth Street

  4. 4

    Take the ramp slight left toward I 70 East

    1019 ft ยท 14 sec

  5. 5

    Merge slight left

    2.7 mi ยท 3 min

  6. 6

    Take the exit slight right toward I 270: Chicago, Memphis

    872 ft ยท 12 sec

  7. 7

    Keep slight right to continue on I 270 South: Memphis

    2339 ft ยท 33 sec

  8. 8

    Continue on I 270 South: Memphis

    723 ft ยท 10 sec

  9. 9

    Merge slight left

    19 mi ยท 24 min

  10. 10

    Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road

    1911 ft ยท 27 sec

  11. 11

    Keep slight right to continue on I 55 South: Memphis

    2031 ft ยท 44 sec

  12. 12

    Merge slight left onto Rosa Parks Highway

    1.5 mi ยท 2 min ยท Rosa Parks Highway

  13. 13

    Continue on Officer Thomas G. Smith, Jr. Memorial Highway

    1.8 mi ยท 2 min ยท Officer Thomas G. Smith, Jr. Memorial Highway

  14. 14

    Continue on Police Officer Steven Jarvis Memorial Highway

    18.3 mi ยท 20 min ยท Police Officer Steven Jarvis Memorial Highway

  15. 15

    Take the exit slight right toward US 67 South: Farmington, Poplar Bluff

    914 ft ยท 20 sec

  16. 16

    Keep slight left

    729 ft ยท 18 sec

  17. 17

    Enter the roundabout and take exit 1 toward the route

    9 m ยท 1 sec

  18. 18

    Exit the roundabout

    22.8 mi ยท 26 min

  19. 19

    Take the exit slight right toward MO K, MO 47: Bonne Terre, Terre Du Lac

    700 ft ยท 19 sec

  20. 20

    Turn right

    3212 ft ยท 1 min

  21. 21

    Turn slight left onto Park Avenue

    1567 ft ยท 31 sec ยท Park Avenue

  22. 22

    Continue on West School Street

    3.8 mi ยท 7 min ยท West School Street

  23. 23

    Turn left onto Rue Terre Bonne

    2563 ft ยท 2 min ยท Rue Terre Bonne

  24. 24

    At the end of the road, turn right onto Rue Terre Bonne

    98 m ยท 14 sec ยท Rue Terre Bonne

  25. 25

    Continue on Rue Terre Bonne

    2709 ft ยท 2 min ยท Rue Terre Bonne

  26. 26

    Turn left onto Rue Charlemagne

    112 m ยท 19 sec ยท Rue Charlemagne

  27. 27

    Turn right onto Saint Francois Road

    1517 ft ยท 1 min ยท Saint Francois Road

  28. 28

    Turn left onto Champs Elysees Drive

    1246 ft ยท 56 sec ยท Champs Elysees Drive

  29. 29

    Turn right onto Rue Monshau

    748 ft ยท 34 sec ยท Rue Monshau

  30. 30

    Turn right onto Michel Drive

    110 m ยท 20 sec ยท Michel Drive

  31. 31

    Continue on Michel Drive

    33 m ยท 5 sec ยท Michel Drive

  32. 32

    Arrive at your destination

    0 m ยท 1 sec ยท Michel Drive

Car Route Details

A richer read on the saved driving route between Saint Charles and Terre du Lac.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
32 steps
13 turns on the saved route
Ramps & Exits
10
3 merges, 7 ramps or exits
Navigation Density
41.9 / 100 mi
Decision points by distance
Main Roads
US 67 South
23.2 mi ยท 30%
I 270 South
19.6 mi ยท 26%
Police Officer Steven Jarvis Memorial Highway
18.3 mi ยท 24%
West School Street
3.8 mi ยท 5%
I 70 East
2.85 mi ยท 4%
Rosa Parks Highway
1.51 mi ยท 2%
Longest Stretch

US 67 South

Exit the roundabout

22.8 mi ยท 00h 26m

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
01h 40m
Day trip friendly
Same-Day Return
03h 22m
Round-trip wheel time
Road vs Air
+15.6 mi
60.8 mi direct line
Halfway Stop
Barnhart
00h 50m from Saint Charles
Leave By
3:08 PM CDT
Morning start is best
Weather Watch

Chance Showers And Thunderstorms leaving Saint Charles and Showers And Thunderstorms near Terre du Lac.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Charles to Terre du Lac?

The road trip is about 76.4 miles (123 km) and usually takes 01h 40m 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?

Barnhart is a useful midpoint, sitting about 38.2 miles from Saint Charles and 38.2 miles from Terre du Lac.

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

The direct path is about 60.8 miles (97.8 km), while the road route adds roughly 15.6 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 3:08 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.69 one way or $21.39 round trip. Estimated CO2 is about 23.9 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around Saint Charles and Showers And Thunderstorms near Terre du Lac.

Stop Ideas Near Barnhart

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

Mid-route Guidance
Local place coverage is thin around Barnhart, 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 Barnhart.

RAIL

Kirkwood

26 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

35 mi away
551 South 16th St.
RAIL

Washington

59 mi away
301 West Front St.
RAIL

Alton

66 mi away
3400 College Ave.

Flight Path Map

This map shows the direct air route between Saint Charles and Terre du Lac. Straight-line distance: 60.77 mi (97.8 km).

Saint Charles

#1 Saint Charles

A city in St.

Population71,761
Coordinates38.7839400, -90.4812300
Altitude147
CountryUnited States
Photo coming soon

#2 Terre du Lac

Terre du Lac is a place in Missouri, United States.

Population0
Coordinates37.9117200, -90.6254100
Altitude297
CountryUnited States
Start: Saint Charles (-90.48123, 38.78394)
End: Terre du Lac (-90.62541, 37.91172)

Estimated Travel Time

Distance: 123 km by road

SpeedTime
30 mph (48.3 km/h)02h 32m
40 mph (64.37 km/h)01h 54m
50 mph (80.47 km/h)01h 31m
60 mph (96.56 km/h)01h 16m
70 mph (112.65 km/h)01h 05m
80 mph (129 km/h)00h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.69 gal
10.2 L ยท about $10.69
Round trip
$21.39
5.38 gal ยท 20.4 L
Estimated CO2
23.9 kg one way
Round trip: 47.8 kg / 105 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.98 $10.69 $21.39
Mid-grade $4.34 $11.68 $23.35
Premium $4.71 $12.66 $25.32
Diesel $5.99 $16.11 $32.22

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 ยท Oct 15, 2026

There is no time difference between Saint Charles and Terre du Lac. The current time is 22:08:06.

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.