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

The driving distance from Saint Peters, MO to Farmington, MO is about 91.8 miles (147.7 km), with a travel time of about 01h 50m by car.

  • The straight-line flight distance is about 71.3 miles (114.8 km).
  • For a round trip, plan for roughly 03h 41m 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
91.78 mi
01h 50m
Flight
71.31 mi
114.76 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
71.31 mi
Kilometers
114.76 km
Flight Time
00h 08m

Driving Distance

Road route
91.78 mi
Kilometers
147.7 km
Drive Time
01h 50m

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 50m.

Arrival Snapshot
Arrive in Farmington
Tue, Jun 2, 10:59 AM CDT
Return by in Saint Peters
Tue, Jun 2, 12:50 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-06-02T09:08
Arrive Farmington
Tue, Jun 2, 10:59 AM CDT
Route Timing
01h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:51 AM to 11:51 AM CDT

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

Leave by
2:48 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

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Barnhart
MO

Census designated place

From Saint Peters
45.9 mi
00h 55m
To Farmington
45.9 mi
00h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Tuesday

Sunny

Starts
Tue, Jun 2 6:00 AM CDT
Wind
3 to 8 mph NE
Destination
79°F
Tuesday

Sunny

Starts
Tue, Jun 2 6:00 AM CDT
Wind
5 to 10 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    33.6 mi · 39 min

  20. 20

    Take the exit slight left toward MO 32 East: Farmington

    1.6 mi · 3 min

  21. 21

    Turn right onto North Washington Street

    2283 ft · 1 min · North Washington Street

  22. 22

    Turn right onto West Liberty Street

    77 m · 14 sec · West Liberty Street

  23. 23

    Turn left onto North Jefferson Street

    43 m · 6 sec · North Jefferson Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · North Jefferson Street

Car Route Details

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

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
24 steps
6 turns on the saved route
Ramps & Exits
11
3 merges, 8 ramps or exits
Navigation Density
26.1 / 100 mi
Decision points by distance
Main Roads
US 67 South
33.9 mi · 37%
I 270 South
19.6 mi · 21%
Police Officer Steven Jarvis Memorial Highway
18.3 mi · 20%
I 70 East
12.1 mi · 13%
MO 32 East
1.59 mi · 2%
Rosa Parks Highway
1.51 mi · 2%
Longest Stretch

US 67 South

Exit the roundabout

33.6 mi · 00h 39m

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 50m
Day trip friendly
Same-Day Return
03h 42m
Round-trip wheel time
Road vs Air
+20.5 mi
71.3 mi direct line
Halfway Stop
Barnhart
00h 55m from Saint Peters
Leave By
2:48 PM CDT
Morning start is best
Weather Watch

Sunny leaving Saint Peters and Sunny near Farmington.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 91.8 miles (147.7 km) and usually takes 01h 50m 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 45.9 miles from Saint Peters and 45.9 miles from Farmington.

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

The direct path is about 71.3 miles (114.8 km), while the road route adds roughly 20.5 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 2:48 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.22 one way or $24.44 round trip. Estimated CO2 is about 28.8 kg one way.

What should you check before leaving?

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

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 Farmington. Straight-line distance: 71.31 mi (114.76 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

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

#2 Farmington

City in St.

Population18,674
Coordinates37.7808800, -90.4217900
Altitude278
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Farmington (-90.42179, 37.78088)

Estimated Travel Time

Distance: 148 km by road

SpeedTime
30 mph (48.3 km/h)03h 03m
40 mph (64.37 km/h)02h 17m
50 mph (80.47 km/h)01h 50m
60 mph (96.56 km/h)01h 31m
70 mph (112.65 km/h)01h 18m
80 mph (129 km/h)01h 08m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.24 gal
12.26 L · about $12.22
Round trip
$24.44
6.48 gal · 24.52 L
Estimated CO2
28.8 kg one way
Round trip: 57.6 kg / 127 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $12.22 $24.44
Mid-grade $4.25 $13.78 $27.56
Premium $4.65 $15.08 $30.16
Diesel $5.30 $17.18 $34.37

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 · Jun 02, 2026

There is no time difference between Saint Peters and Farmington. The current time is 09:08:53.

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.