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

The driving distance from Terre du Lac, MO to Saint Peters, MO is about 83.9 miles (135.1 km), with a travel time of about 01h 25m by car.

  • The straight-line flight distance is about 61.4 miles (98.8 km).
  • For a round trip, plan for roughly 02h 50m 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
83.98 mi
01h 25m
Flight
61.4 mi
98.81 km direct

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

Learn Distance

Choose another destination from Terre du Lac.

Flight Distance

Direct air line
61.4 mi
Kilometers
98.81 km
Flight Time
00h 07m

Driving Distance

Road route
83.98 mi
Kilometers
135.15 km
Drive Time
01h 25m

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 25m.

Arrival Snapshot
Arrive in Saint Peters
Thu, Oct 15, 10:34 PM CDT
Return by in Terre du Lac
Thu, Oct 15, 11:59 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Terre du Lac
2026-10-15T21:09
Arrive Saint Peters
Thu, Oct 15, 10:34 PM CDT
Route Timing
01h 25m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:25 AM to 11:25 AM CDT

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

Leave by
3:40 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Terre du Lac
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 Terre du Lac
41.8 mi
00h 42m
To Saint Peters
42.2 mi
00h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
This Afternoon

Showers And Thunderstorms

Starts
Thu, Oct 15 1:00 PM CDT
Wind
10 mph SW
Destination
79°F
Thursday

Showers And Thunderstorms then Chance Showers And Thunderstorms

Starts
Thu, Oct 15 6:00 AM CDT
Wind
3 to 10 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Michel Drive

    33 m · 12 sec · Michel Drive

  2. 2

    Continue on Michel Drive

    110 m · 19 sec · Michel Drive

  3. 3

    Turn left onto Rue Monshau

    748 ft · 36 sec · Rue Monshau

  4. 4

    Turn right onto Champs Elysees Drive

    38 m · 10 sec · Champs Elysees Drive

  5. 5

    Turn left onto Dominique Drive

    36 m · 11 sec · Dominique Drive

  6. 6

    Turn left onto Champs Elysees Drive

    1273 ft · 57 sec · Champs Elysees Drive

  7. 7

    Turn right onto Saint Francois Road

    1373 ft · 1 min · Saint Francois Road

  8. 8

    Turn left onto Rue Charlemagne

    112 m · 18 sec · Rue Charlemagne

  9. 9

    Turn right onto Rue Terre Bonne

    3041 ft · 2 min · Rue Terre Bonne

  10. 10

    Continue on Rue Terre Bonne

    2463 ft · 2 min · Rue Terre Bonne

  11. 11

    At the end of the road, turn right

    4.8 mi · 9 min

  12. 12

    Take the ramp left toward US 67 North: Saint Louis

    838 ft · 20 sec

  13. 13

    Merge slight left

    22.7 mi · 26 min

  14. 14

    Keep slight right

    1750 ft · 27 sec

  15. 15

    Take the exit straight toward I 55 North: Saint Louis

    1735 ft · 49 sec

  16. 16

    Merge slight left

    20.5 mi · 22 min

  17. 17

    Continue on Rosa Parks Highway

    1.3 mi · 2 min · Rosa Parks Highway

  18. 18

    Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago

    1279 ft · 27 sec

  19. 19

    Keep slight left to continue on I 270 West: Kansas City

    118 m · 8 sec

  20. 20

    Continue on I 270 West

    1.2 km · 1 min

  21. 21

    Merge slight left

    18.1 mi · 23 min

  22. 22

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

    1 mi · 1 min

  23. 23

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

    645 ft · 11 sec

  24. 24

    Continue on I 70 West: Kansas City

    1 km · 57 sec

  25. 25

    Merge slight left

    10.5 mi · 13 min

  26. 26

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
26 steps
8 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
31 / 100 mi
Decision points by distance
Main Roads
US 67 North
23.2 mi · 28%
I 55 North
20.9 mi · 25%
I 270 West
19.2 mi · 23%
I 70 West
11.3 mi · 13%
Rosa Parks Highway
1.33 mi · 2%
I 70
1.05 mi · 1%
Longest Stretch

US 67 North

Merge slight left

22.7 mi · 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 25m
Day trip friendly
Same-Day Return
02h 50m
Round-trip wheel time
Road vs Air
+22.5 mi
61.4 mi direct line
Halfway Stop
Barnhart
00h 42m from Terre du Lac
Leave By
3:40 PM CDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 83.9 miles (135.1 km) and usually takes 01h 25m 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 41.8 miles from Terre du Lac and 42.2 miles from Saint Peters.

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

The direct path is about 61.4 miles (98.8 km), while the road route adds roughly 22.5 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 3:40 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $11.77 one way or $23.53 round trip. Estimated CO2 is about 26.3 kg one way.

What should you check before leaving?

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

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 Terre du Lac and Saint Peters. Straight-line distance: 61.4 mi (98.81 km).

Photo coming soon

#1 Terre du Lac

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

Population0
Coordinates37.9117200, -90.6254100
Altitude297
CountryUnited States
Saint Peters

#2 Saint Peters

The most populous city in St.

Population58,043
Coordinates38.8003300, -90.6265100
Altitude134
CountryUnited States
Start: Michel Drive (-90.625555, 37.911736)
End: I 70 West (-90.626511, 38.800311)

Estimated Travel Time

Distance: 135 km by road

SpeedTime
30 mph (48.3 km/h)02h 47m
40 mph (64.37 km/h)02h 05m
50 mph (80.47 km/h)01h 40m
60 mph (96.56 km/h)01h 23m
70 mph (112.65 km/h)01h 11m
80 mph (129 km/h)01h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.96 gal
11.22 L · about $11.77
Round trip
$23.53
5.92 gal · 22.44 L
Estimated CO2
26.3 kg one way
Round trip: 52.6 kg / 116 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.98 $11.77 $23.53
Mid-grade $4.34 $12.85 $25.70
Premium $4.71 $13.93 $27.87
Diesel $5.99 $17.72 $35.45

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 Terre du Lac and Saint Peters. The current time is 21:09:08.

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.