How far is Saint Peters, MO from Duquesne, MO?

The driving distance from Saint Peters, MO to Duquesne, MO is about 280.2 miles (451 km), with a travel time of about 05h 23m by car.

  • The straight-line flight distance is about 240.4 miles (386.9 km).
  • For a round trip, plan for roughly 10h 46m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
280.24 mi
05h 23m
Flight
240.4 mi
386.88 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Saint Peters.

Flight Distance

Direct air line
240.4 mi
Kilometers
386.88 km
Flight Time
00h 29m

Driving Distance

Road route
280.24 mi
Kilometers
451.01 km
Drive Time
05h 23m

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 05h 23m.

Arrival Snapshot
Arrive in Duquesne
Mon, Apr 27, 12:29 AM CDT
Return by in Saint Peters
Mon, Apr 27, 5:52 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-04-26T19:05
Arrive Duquesne
Mon, Apr 27, 12:29 AM CDT
Route Timing
05h 23m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:23 AM to 1:23 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:14 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Saint Peters
9:00 PM CDT
Early departure recommended

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
Richland
MO

City in Missouri parts of witch are in Camden, Laclede, and Pulaski Counties

From Saint Peters
140 mi
02h 41m
To Duquesne
140.2 mi
02h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Sunday

Partly Sunny then Slight Chance Rain Showers

Starts
Sun, Apr 26 6:00 AM CDT
Wind
6 to 10 mph E
Destination
76°F
Sunday

Chance Showers And Thunderstorms

Starts
Sun, Apr 26 6:00 AM CDT
Wind
9 to 14 mph SE

Driving Route Map

The map below follows the saved road route between Saint Peters and Duquesne.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Peters and Duquesne.

  1. 1

    Start on the route

    3 mi · 4 min

  2. 2

    Take the exit slight right toward MO K: O'Fallon, Main Street

    119 m · 8 sec

  3. 3

    Turn straight onto East Terra Lane

    1.4 km · 2 min · East Terra Lane

  4. 4

    Turn slight left

    19 m · 2 sec

  5. 5

    Continue straight

    3.1 mi · 6 min

  6. 6

    Continue straight

    3.4 mi · 5 min

  7. 7

    Take the ramp slight right toward I 64 East, US 40 East, US 61 South

    1523 ft · 22 sec

  8. 8

    Merge slight left onto Avenue of the Saints

    3.7 mi · 5 min · Avenue of the Saints

  9. 9

    Take the exit slight right toward Chesterfield Airport Road

    2700 ft · 58 sec

  10. 10

    Continue on Chesterfield Airport Road

    110 m · 7 sec · Chesterfield Airport Road

  11. 11

    Turn right onto Olive Street Road

    64 m · 5 sec

  12. 12

    Turn right onto Olive Street Road

    1.5 km · 2 min · Olive Street Road

  13. 13

    Continue on North Eatherton Road

    2.4 mi · 5 min · North Eatherton Road

  14. 14

    Enter the roundabout and take exit 2 toward the route

    21 m · 1 sec

  15. 15

    Exit the roundabout

    4.3 mi · 7 min

  16. 16

    Enter the roundabout and take exit 2 toward the route

    29 m · 2 sec

  17. 17

    Exit the roundabout

    2098 ft · 45 sec

  18. 18

    Enter the roundabout and take exit 2 toward MO 100 West: Gray Summit

    23 m · 2 sec

  19. 19

    Exit the roundabout onto MO 100 West: Gray Summit

    1202 ft · 33 sec

  20. 20

    Merge slight left

    13.3 mi · 19 min

  21. 21

    Take the exit slight right toward I 44 West, US 50 West: St. Clair

    1157 ft · 14 sec

  22. 22

    Merge slight left

    237.3 mi · 4 hr 16 min

  23. 23

    Take the exit slight right toward I 44 Business, MO 66: Duenweg, Joplin

    5.5 mi · 10 min

  24. 24

    Turn left onto Duquesne Road

    2590 ft · 1 min · Duquesne Road

  25. 25

    Arrive at your destination

    0 m · 1 sec · Duquesne Road

Car Route Details

A richer read on the saved driving route between Saint Peters and Duquesne.

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
25 steps
11 turns on the saved route
Ramps & Exits
14
3 merges, 11 ramps or exits
Navigation Density
8.9 / 100 mi
Decision points by distance
Main Roads
I 44 West
238 mi · 85%
MO 100 West
13.6 mi · 5%
East Terra Lane
7.38 mi · 3%
North Eatherton Road
7.1 mi · 3%
I 44 Business
5.54 mi · 2%
Avenue of the Saints
3.71 mi · 1%
Longest Stretch

I 44 West

Merge slight left

237 mi · 04h 16m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 23m
Long day trip
Same-Day Return
10h 46m
Round-trip wheel time
Road vs Air
+39.8 mi
240.4 mi direct line
Halfway Stop
Richland
02h 41m from Saint Peters
Leave By
6:14 AM CDT
Early departure recommended
Weather Watch

Partly Sunny then Slight Chance Rain Showers leaving Saint Peters and Chance Showers And Thunderstorms near Duquesne.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Peters to Duquesne?

The road trip is about 280.2 miles (451 km) and usually takes 05h 23m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Richland is a useful midpoint, sitting about 140 miles from Saint Peters and 140.2 miles from Duquesne.

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

The direct path is about 240.4 miles (386.9 km), while the road route adds roughly 39.8 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 6:14 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $37.30 one way or $74.59 round trip. Estimated CO2 is about 87.9 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Rain Showers around Saint Peters and Chance Showers And Thunderstorms near Duquesne.

Stop Ideas Near Richland

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

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

RAIL

Jefferson City

83 mi away
101 Jefferson Street
RAIL

Sedalia

119 mi away
100 block of Main Street, through parking lot

Flight Path Map

This map shows the direct air route between Saint Peters and Duquesne. Straight-line distance: 240.4 mi (386.88 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

Population58,043
Coordinates38.8003300, -90.6265100
Altitude134
CountryUnited States
Duquesne

#2 Duquesne

City in Jasper County, Missouri, United States of America

Population1,689
Coordinates37.0767300, -94.4593900
Altitude327
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Duquesne (-94.45939, 37.07673)

Estimated Travel Time

Distance: 451 km by road

SpeedTime
30 mph (48.3 km/h)09h 20m
40 mph (64.37 km/h)07h 00m
50 mph (80.47 km/h)05h 36m
60 mph (96.56 km/h)04h 40m
70 mph (112.65 km/h)04h 00m
80 mph (129 km/h)03h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.89 gal
37.43 L · about $37.30
Round trip
$74.59
19.78 gal · 74.86 L
Estimated CO2
87.9 kg one way
Round trip: 175.8 kg / 388 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $37.30 $74.59
Mid-grade $4.25 $42.06 $84.12
Premium $4.65 $46.03 $92.06
Diesel $5.30 $52.46 $104.91

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 27, 2026

There is no time difference between Saint Peters and Duquesne. The current time is 19:05:57.

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.