How far is St. Louis, MO from La Monte, MO?

The driving distance from St. Louis, MO to La Monte, MO is about 202.5 miles (325.9 km), with a travel time of about 04h 01m by car.

  • The straight-line flight distance is about 174.3 miles (280.5 km).
  • For a round trip, plan for roughly 08h 02m 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
202.5 mi
04h 01m
Flight
174.31 mi
280.53 km direct

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

Learn Distance

Choose another destination from St. Louis.

Flight Distance

Direct air line
174.31 mi
Kilometers
280.53 km
Flight Time
00h 21m

Driving Distance

Road route
202.5 mi
Kilometers
325.89 km
Drive Time
04h 01m

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 04h 01m.

Arrival Snapshot
Arrive in La Monte
Fri, Apr 17, 6:49 AM CDT
Return by in St. Louis
Fri, Apr 17, 10:50 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Louis
2026-04-17T02:48
Arrive La Monte
Fri, Apr 17, 6:49 AM CDT
Route Timing
04h 01m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:01 AM to 12:01 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
8:58 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in St. Louis
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
Kingdom City
MO

Human settlement in Callaway County, Missouri, United States of America

From St. Louis
101.1 mi
02h 00m
To La Monte
101.4 mi
02h 00m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
87°F
Friday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM CDT
Wind
3 to 13 mph S
Destination
81°F
Friday

Showers And Thunderstorms Likely

Starts
Fri, Apr 17 6:00 AM CDT
Wind
12 to 23 mph S

Driving Route Map

The map below follows the saved road route between St. Louis and La Monte.

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Louis and La Monte.

  1. 1

    Start on Market Street

    1.6 mi · 3 min · Market Street

  2. 2

    Take the ramp slight left toward I 64 West, US 40 West: Wentzville

    1531 ft · 24 sec

  3. 3

    Merge slight left onto Jack Buck Memorial Highway

    4.3 mi · 6 min · Jack Buck Memorial Highway

  4. 4

    Continue on Daniel Boone Expressway

    5.7 mi · 7 min · Daniel Boone Expressway

  5. 5

    Continue on Avenue of the Saints

    27.8 mi · 34 min · Avenue of the Saints

  6. 6

    Take the exit slight left toward I 70 West, US 40 West: Kansas City

    3047 ft · 1 min

  7. 7

    Merge slight left onto Dwight D Eisenhower Highway

    80.7 mi · 1 hr 35 min · Dwight D Eisenhower Highway

  8. 8

    Continue on Sheriff Roger I. Wilson Memorial Highway

    2 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway

  9. 9

    Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway

    1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway

  10. 10

    Continue on Dwight D. Eisenhower Highway

    1.8 mi · 2 min · Dwight D. Eisenhower Highway

  11. 11

    Continue on U.S. Submarine Veterans' Memorial Highway

    45.7 mi · 49 min · U.S. Submarine Veterans' Memorial Highway

  12. 12

    Take the exit slight right toward US 65 South: Sedalia

    1094 ft · 37 sec

  13. 13

    Merge slight left

    18.6 mi · 23 min

  14. 14

    Turn right onto West Broadway Boulevard

    10.8 mi · 14 min · West Broadway Boulevard

  15. 15

    Take the exit right

    26 m · 4 sec

  16. 16

    Turn right onto Front Street

    678 ft · 19 sec · Front Street

  17. 17

    Turn left onto South Main Street

    1.2 km · 1 min · South Main Street

  18. 18

    Turn left onto West Pine Street

    67 m · 10 sec · West Pine Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · West Pine Street

Car Route Details

A richer read on the saved driving route between St. Louis and La Monte.

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
19 steps
4 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
9.4 / 100 mi
Decision points by distance
Main Roads
Dwight D Eisenhower Highway
80.7 mi · 40%
U.S. Submarine Veterans' Memorial Highway
45.7 mi · 23%
Avenue of the Saints
27.8 mi · 14%
US 65 South
18.8 mi · 9%
West Broadway Boulevard
10.8 mi · 5%
Daniel Boone Expressway
5.72 mi · 3%
Longest Stretch

Dwight D Eisenhower Highway

Merge slight left onto Dwight D Eisenhower Highway

80.7 mi · 01h 35m

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
04h 01m
Long day trip
Same-Day Return
08h 02m
Round-trip wheel time
Road vs Air
+28.2 mi
174.3 mi direct line
Halfway Stop
Kingdom City
02h 00m from St. Louis
Leave By
8:58 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny then Chance Showers And Thunderstorms leaving St. Louis and Showers And Thunderstorms Likely near La Monte.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from St. Louis to La Monte?

The road trip is about 202.5 miles (325.9 km) and usually takes 04h 01m 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?

Kingdom City is a useful midpoint, sitting about 101.1 miles from St. Louis and 101.4 miles from La Monte.

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

The direct path is about 174.3 miles (280.5 km), while the road route adds roughly 28.2 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 8:58 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.96 one way or $53.93 round trip. Estimated CO2 is about 63.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around St. Louis and Showers And Thunderstorms Likely near La Monte.

Stop Ideas Near Kingdom City

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

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

RAIL

Jefferson City

46 mi away
101 Jefferson Street
RAIL

Hermann

52 mi away
Wharf & Gutenberg Sts.
RAIL

Washington

91 mi away
301 West Front St.
RAIL

Sedalia

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

Flight Path Map

This map shows the direct air route between St. Louis and La Monte. Straight-line distance: 174.31 mi (280.53 km).

St. Louis

#1 St. Louis

The second most populous city in Missouri and the center of the St.

Population315,685
Coordinates38.6272700, -90.1978900
Altitude142
CountryUnited States
La Monte

#2 La Monte

City in Pettis County, Missouri, United States

Population1,137
Coordinates38.7741800, -93.4252100
Altitude262
CountryUnited States
Start: St. Louis (-90.19789, 38.62727)
End: La Monte (-93.42521, 38.77418)

Estimated Travel Time

Distance: 326 km by road

SpeedTime
30 mph (48.3 km/h)06h 44m
40 mph (64.37 km/h)05h 03m
50 mph (80.47 km/h)04h 02m
60 mph (96.56 km/h)03h 22m
70 mph (112.65 km/h)02h 53m
80 mph (129 km/h)02h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.15 gal
27.05 L · about $26.96
Round trip
$53.93
14.3 gal · 54.1 L
Estimated CO2
63.5 kg one way
Round trip: 127.1 kg / 280 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $26.96 $53.93
Mid-grade $4.25 $30.41 $60.82
Premium $4.65 $33.28 $66.55
Diesel $5.30 $37.92 $75.85

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 17, 2026

There is no time difference between St. Louis and La Monte. The current time is 02:48:24.

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.