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

The driving distance from Saint Peters, MO to Bismarck, MO is about 94.3 miles (151.7 km), with a travel time of about 01h 57m by car.

  • The straight-line flight distance is about 71.3 miles (114.7 km).
  • For a round trip, plan for roughly 03h 54m 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
94.29 mi
01h 57m
Flight
71.24 mi
114.65 km direct

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

Learn Distance

Choose another destination from Saint Peters.

Flight Distance

Direct air line
71.24 mi
Kilometers
114.65 km
Flight Time
00h 08m

Driving Distance

Road route
94.29 mi
Kilometers
151.75 km
Drive Time
01h 57m

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 57m.

Arrival Snapshot
Arrive in Bismarck
Wed, Sep 23, 3:53 PM CDT
Return by in Saint Peters
Wed, Sep 23, 5:50 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-09-23T13:56
Arrive Bismarck
Wed, Sep 23, 3:53 PM CDT
Route Timing
01h 57m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:57 AM to 11:57 AM CDT

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

Leave by
2:36 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Saint Peters
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 Peters
47.2 mi
00h 58m
To Bismarck
47.1 mi
00h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
This Afternoon

Partly Sunny

Starts
Wed, Sep 23 12:00 PM CDT
Wind
8 mph NE
Destination
72°F
Wednesday

Partly Sunny

Starts
Wed, Sep 23 6:00 AM CDT
Wind
3 to 7 mph N

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    1.2 mi · 1 min

  2. 2

    Take the exit slight right toward MO 79: Elsberry, Louisiana

    725 ft · 15 sec

  3. 3

    Keep slight left to continue on MO 79

    117 m · 15 sec

  4. 4

    Turn left

    652 ft · 11 sec

  5. 5

    Take the ramp slight right toward I 70 East

    1294 ft · 19 sec

  6. 6

    Merge slight left

    11.9 mi · 15 min

  7. 7

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

    872 ft · 12 sec

  8. 8

    Keep slight right to continue on I 270 South: Memphis

    2339 ft · 33 sec

  9. 9

    Continue on I 270 South: Memphis

    723 ft · 10 sec

  10. 10

    Merge slight left

    19 mi · 24 min

  11. 11

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

    1911 ft · 27 sec

  12. 12

    Keep slight right to continue on I 55 South: Memphis

    2031 ft · 44 sec

  13. 13

    Merge slight left onto Rosa Parks Highway

    1.5 mi · 2 min · Rosa Parks Highway

  14. 14

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

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

  15. 15

    Continue on Police Officer Steven Jarvis Memorial Highway

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

  16. 16

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

    914 ft · 20 sec

  17. 17

    Keep slight left

    729 ft · 18 sec

  18. 18

    Enter the roundabout and take exit 1 toward the route

    9 m · 1 sec

  19. 19

    Exit the roundabout

    26.4 mi · 30 min

  20. 20

    Take the exit slight right toward US 67 Business, MO 8: Desloge, Park Hills

    836 ft · 22 sec

  21. 21

    Turn right

    107 m · 7 sec

  22. 22

    Turn left onto North Desloge Drive

    1.9 mi · 3 min · North Desloge Drive

  23. 23

    Continue on Taylor Avenue

    1.2 km · 1 min · Taylor Avenue

  24. 24

    Turn right onto Community Drive

    527 ft · 19 sec · Community Drive

  25. 25

    At the end of the road, turn right onto West Main Street

    24 m · 8 sec · West Main Street

  26. 26

    Turn left onto Municipal Drive

    153 m · 10 sec · Municipal Drive

  27. 27

    Continue on Wood Drive

    695 ft · 14 sec · Wood Drive

  28. 28

    Continue on North Front Street

    1.9 mi · 3 min · North Front Street

  29. 29

    At the end of the road, turn right

    6.7 mi · 10 min

  30. 30

    Arrive at your destination

    0 m · 1 sec · Center Street

Car Route Details

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

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
30 steps
9 turns on the saved route
Ramps & Exits
11
3 merges, 8 ramps or exits
Navigation Density
31.8 / 100 mi
Decision points by distance
Main Roads
US 67 South
26.7 mi · 28%
I 270 South
19.6 mi · 21%
Police Officer Steven Jarvis Memorial Highway
18.3 mi · 19%
I 70 East
12.1 mi · 13%
North Front Street
1.92 mi · 2%
North Desloge Drive
1.92 mi · 2%
Longest Stretch

US 67 South

Exit the roundabout

26.4 mi · 00h 30m

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 57m
Day trip friendly
Same-Day Return
03h 54m
Round-trip wheel time
Road vs Air
+23 mi
71.3 mi direct line
Halfway Stop
Barnhart
00h 58m from Saint Peters
Leave By
2:36 PM CDT
Morning start is best
Weather Watch

Partly Sunny leaving Saint Peters and Partly Sunny near Bismarck.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 94.3 miles (151.7 km) and usually takes 01h 57m 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 47.2 miles from Saint Peters and 47.1 miles from Bismarck.

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

The direct path is about 71.3 miles (114.7 km), while the road route adds roughly 23 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 2:36 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.94 one way or $27.87 round trip. Estimated CO2 is about 29.6 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Saint Peters and Partly Sunny near Bismarck.

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 Peters and Bismarck. Straight-line distance: 71.24 mi (114.65 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

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

#2 Bismarck

Small city in St.

Population1,469
Coordinates37.7692200, -90.6248500
Altitude313
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Bismarck (-90.62485, 37.76922)

Estimated Travel Time

Distance: 152 km by road

SpeedTime
30 mph (48.3 km/h)03h 08m
40 mph (64.37 km/h)02h 21m
50 mph (80.47 km/h)01h 53m
60 mph (96.56 km/h)01h 34m
70 mph (112.65 km/h)01h 20m
80 mph (129 km/h)01h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.33 gal
12.6 L · about $13.94
Round trip
$27.87
6.66 gal · 25.2 L
Estimated CO2
29.6 kg one way
Round trip: 59.2 kg / 131 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.19 $13.94 $27.87
Mid-grade $4.55 $15.13 $30.27
Premium $4.90 $16.33 $32.66
Diesel $6.35 $21.14 $42.28

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 · Sep 23, 2026

There is no time difference between Saint Peters and Bismarck. The current time is 13:56:55.

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.