How far is Saint Peters, MO from La Monte, MO?

The driving distance from Saint Peters, MO to La Monte, MO is about 174.2 miles (280.3 km), with a travel time of about 03h 24m by car.

  • The straight-line flight distance is about 150.7 miles (242.6 km).
  • For a round trip, plan for roughly 06h 49m 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
174.16 mi
03h 24m
Flight
150.73 mi
242.58 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
150.73 mi
Kilometers
242.58 km
Flight Time
00h 18m

Driving Distance

Road route
174.16 mi
Kilometers
280.29 km
Drive Time
03h 24m

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 24m.

Arrival Snapshot
Arrive in La Monte
Sun, Apr 19, 8:47 AM CDT
Return by in Saint Peters
Sun, Apr 19, 12:11 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-04-19T05:22
Arrive La Monte
Sun, Apr 19, 8:47 AM CDT
Route Timing
03h 24m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:25 AM to 11:25 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
10:10 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
Columbia
MO

The most populous city in the state of Missouri.

From Saint Peters
86.9 mi
01h 42m
To La Monte
87.2 mi
01h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 mph W
Destination
66°F
Sunday

Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
6 to 12 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Peters and La Monte.

  1. 1

    Start on the route

    143.6 mi · 2 hr 45 min

  2. 2

    Take the exit slight right toward US 65 South: Sedalia

    1094 ft · 37 sec

  3. 3

    Merge slight left

    18.6 mi · 23 min

  4. 4

    Turn right onto West Broadway Boulevard

    10.8 mi · 14 min · West Broadway Boulevard

  5. 5

    Take the exit right

    26 m · 4 sec

  6. 6

    Turn right onto Front Street

    678 ft · 19 sec · Front Street

  7. 7

    Turn left onto South Main Street

    1.2 km · 1 min · South Main Street

  8. 8

    Turn left onto West Pine Street

    67 m · 10 sec · West Pine Street

  9. 9

    Arrive at your destination

    0 m · 1 sec · West Pine Street

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
9 steps
4 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
5.2 / 100 mi
Decision points by distance
Main Roads
US 65 South
18.8 mi · 11%
West Broadway Boulevard
10.8 mi · 6%
South Main Street
0.75 mi
Front Street
0.13 mi
West Pine Street
0.04 mi
Longest Stretch

Longest stretch

Start on the route

144 mi · 02h 45m

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 24m
Long day trip
Same-Day Return
06h 50m
Round-trip wheel time
Road vs Air
+23.5 mi
150.7 mi direct line
Halfway Stop
Columbia
01h 42m from Saint Peters
Leave By
10:10 AM CDT
Early departure recommended
Weather Watch

Sunny leaving Saint Peters and Sunny near La Monte.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Peters to La Monte?

The road trip is about 174.2 miles (280.3 km) and usually takes 03h 24m 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?

Columbia is a useful midpoint, sitting about 86.9 miles from Saint Peters and 87.2 miles from La Monte.

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

The direct path is about 150.7 miles (242.6 km), while the road route adds roughly 23.5 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:10 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.15 one way or $46.31 round trip. Estimated CO2 is about 54.6 kg one way.

What should you check before leaving?

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

Stop Ideas Near Columbia

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

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

RAIL

Jefferson City

44 mi away
101 Jefferson Street
RAIL

Sedalia

82 mi away
100 block of Main Street, through parking lot
RAIL

Hermann

83 mi away
Wharf & Gutenberg Sts.

Flight Path Map

This map shows the direct air route between Saint Peters and La Monte. Straight-line distance: 150.73 mi (242.58 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

Population58,043
Coordinates38.8003300, -90.6265100
Altitude134
CountryUnited States
La Monte

#2 La Monte

City in Pettis County, Missouri, United States

Population1,137
Coordinates38.7741800, -93.4252100
Altitude262
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: La Monte (-93.42521, 38.77418)

Estimated Travel Time

Distance: 280 km by road

SpeedTime
30 mph (48.3 km/h)05h 48m
40 mph (64.37 km/h)04h 21m
50 mph (80.47 km/h)03h 28m
60 mph (96.56 km/h)02h 54m
70 mph (112.65 km/h)02h 29m
80 mph (129 km/h)02h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.14 gal
23.26 L · about $23.15
Round trip
$46.31
12.28 gal · 46.52 L
Estimated CO2
54.6 kg one way
Round trip: 109.1 kg / 241 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $23.15 $46.31
Mid-grade $4.25 $26.11 $52.23
Premium $4.65 $28.58 $57.15
Diesel $5.30 $32.57 $65.13

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 19, 2026

There is no time difference between Saint Peters and La Monte. The current time is 05:22:43.

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.