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

The driving distance from Saint Peters, MO to Doniphan, MO is about 198.4 miles (319.3 km), with a travel time of about 03h 57m by car.

  • The straight-line flight distance is about 151 miles (243 km).
  • For a round trip, plan for roughly 07h 55m 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
198.37 mi
03h 57m
Flight
150.97 mi
242.96 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
150.97 mi
Kilometers
242.96 km
Flight Time
00h 18m

Driving Distance

Road route
198.37 mi
Kilometers
319.25 km
Drive Time
03h 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 03h 57m.

Arrival Snapshot
Arrive in Doniphan
Sat, Apr 18, 12:15 PM CDT
Return by in Saint Peters
Sat, Apr 18, 4:13 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-04-18T08:17
Arrive Doniphan
Sat, Apr 18, 12:15 PM CDT
Route Timing
03h 57m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:58 AM to 11:58 AM CDT

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

Leave by
9:04 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
Farmington
MO

City in St.

From Saint Peters
99.2 mi
01h 58m
To Doniphan
99.2 mi
01h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
66°F
Saturday

Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM CDT
Wind
12 to 15 mph W
Destination
72°F
Saturday

Chance Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM CDT
Wind
12 mph WSW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    112.6 mi · 2 hr 10 min

  20. 20

    Take the exit slight right toward US 67 South: Corning, Arkansas

    10.4 mi · 12 min

  21. 21

    Take the exit slight right

    1651 ft · 45 sec

  22. 22

    Continue straight

    18.2 mi · 27 min

  23. 23

    Turn left onto Walnut Street

    1.1 km · 1 min · Walnut Street

  24. 24

    Turn left onto Plum Street

    52 m · 7 sec · Plum Street

  25. 25

    Arrive at your destination

    0 m · 1 sec · Plum Street

Car Route Details

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

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
5 turns on the saved route
Ramps & Exits
12
3 merges, 9 ramps or exits
Navigation Density
12.6 / 100 mi
Decision points by distance
Main Roads
US 67 South
142 mi · 72%
I 270 South
19.6 mi · 10%
Police Officer Steven Jarvis Memorial Highway
18.3 mi · 9%
I 70 East
12.1 mi · 6%
Rosa Parks Highway
1.51 mi · 1%
Officer Thomas G. Smith, Jr. Memorial Highway
0.92 mi
Longest Stretch

US 67 South

Exit the roundabout

113 mi · 02h 10m

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
03h 57m
Long day trip
Same-Day Return
07h 56m
Round-trip wheel time
Road vs Air
+47.4 mi
151 mi direct line
Halfway Stop
Farmington
01h 58m from Saint Peters
Leave By
9:04 AM CDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Saint Peters and Chance Showers And Thunderstorms near Doniphan.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 198.4 miles (319.3 km) and usually takes 03h 57m 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?

Farmington is a useful midpoint, sitting about 99.2 miles from Saint Peters and 99.2 miles from Doniphan.

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

The direct path is about 151 miles (243 km), while the road route adds roughly 47.4 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 9:04 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.40 one way or $52.79 round trip. Estimated CO2 is about 62.2 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Saint Peters and Chance Showers And Thunderstorms near Doniphan.

Stop Ideas Near Farmington

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

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

RAIL

Kirkwood

89 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

96 mi away
551 South 16th St.
RAIL

Washington

101 mi away
301 West Front St.
RAIL

Carbondale station

106 mi away
401 South Illinois St.

Flight Path Map

This map shows the direct air route between Saint Peters and Doniphan. Straight-line distance: 150.97 mi (242.96 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

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

#2 Doniphan

City in Ripley County, Missouri, United States

Population1,919
Coordinates36.6208900, -90.8234600
Altitude122
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Doniphan (-90.82346, 36.62089)

Estimated Travel Time

Distance: 319 km by road

SpeedTime
30 mph (48.3 km/h)06h 36m
40 mph (64.37 km/h)04h 57m
50 mph (80.47 km/h)03h 58m
60 mph (96.56 km/h)03h 18m
70 mph (112.65 km/h)02h 50m
80 mph (129 km/h)02h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7 gal
26.5 L · about $26.40
Round trip
$52.79
14 gal · 53 L
Estimated CO2
62.2 kg one way
Round trip: 124.4 kg / 274 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $26.40 $52.79
Mid-grade $4.25 $29.77 $59.54
Premium $4.65 $32.58 $65.16
Diesel $5.30 $37.13 $74.26

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 18, 2026

There is no time difference between Saint Peters and Doniphan. The current time is 08:17:09.

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.