How far is St. Louis, MO from Louisiana, MO?

The driving distance from St. Louis, MO to Louisiana, MO is about 84 miles (135.2 km), with a travel time of about 01h 56m by car.

  • The straight-line flight distance is about 72.9 miles (117.4 km).
  • For a round trip, plan for roughly 03h 53m 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
84 mi
01h 56m
Flight
72.95 mi
117.4 km direct

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

Learn Distance

Choose another destination from St. Louis.

Flight Distance

Direct air line
72.95 mi
Kilometers
117.4 km
Flight Time
00h 08m

Driving Distance

Road route
84 mi
Kilometers
135.19 km
Drive Time
01h 56m

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 56m.

Arrival Snapshot
Arrive in Louisiana
Fri, May 1, 1:27 AM CDT
Return by in St. Louis
Fri, May 1, 3:24 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Louis
2026-04-30T23:30
Arrive Louisiana
Fri, May 1, 1:27 AM CDT
Route Timing
01h 56m
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 St. Louis
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
Old Monroe
MO

City in Lincoln County, Missouri, United States

From St. Louis
42 mi
00h 58m
To Louisiana
42 mi
00h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Thursday

Mostly Sunny

Starts
Thu, Apr 30 6:00 AM CDT
Wind
1 to 7 mph W
Destination
64°F
Thursday

Mostly Sunny

Starts
Thu, Apr 30 6:00 AM CDT
Wind
1 to 6 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Louis and Louisiana.

  1. 1

    Start on Market Street

    26 m · 6 sec · Market Street

  2. 2

    Turn right onto North Tucker Boulevard

    1.3 km · 2 min · North Tucker Boulevard

  3. 3

    Turn left onto North 13th Street

    1274 ft · 25 sec · North 13th Street

  4. 4

    Continue on North 13th Street

    111 m · 6 sec · North 13th Street

  5. 5

    Continue on North Florissant Avenue

    3.5 mi · 6 min · North Florissant Avenue

  6. 6

    Take the ramp slight left toward I 70 West

    773 ft · 12 sec

  7. 7

    Merge slight left onto Mark Twain Expressway

    24.8 mi · 32 min · Mark Twain Expressway

  8. 8

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

    725 ft · 15 sec

  9. 9

    Keep slight right to continue on MO 79: Elsberry, Clarksville, Louisiana

    572 ft · 12 sec

  10. 10

    Turn straight

    53.9 mi · 1 hr 14 min

  11. 11

    Turn left onto Georgia Street

    1194 ft · 26 sec · Georgia Street

  12. 12

    Turn right onto North 7th Street

    90 m · 15 sec · North 7th Street

  13. 13

    Turn right onto Tennessee Street

    11 m · 2 sec · Tennessee Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Tennessee Street

Car Route Details

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

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
14 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
16.7 / 100 mi
Decision points by distance
Main Roads
Mark Twain Expressway
24.8 mi · 30%
North Florissant Avenue
3.47 mi · 4%
North Tucker Boulevard
0.8 mi · 1%
North 13th Street
0.31 mi
MO 79
0.25 mi
Georgia Street
0.23 mi
Longest Stretch

Longest stretch

Turn straight

53.9 mi · 01h 14m

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 56m
Day trip friendly
Same-Day Return
03h 54m
Round-trip wheel time
Road vs Air
+11.1 mi
72.9 mi direct line
Halfway Stop
Old Monroe
00h 58m from St. Louis
Leave By
2:36 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving St. Louis and Mostly Sunny near Louisiana.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 84 miles (135.2 km) and usually takes 01h 56m 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?

Old Monroe is a useful midpoint, sitting about 42 miles from St. Louis and 42 miles from Louisiana.

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

The direct path is about 72.9 miles (117.4 km), while the road route adds roughly 11.1 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 $11.16 one way or $22.32 round trip. Estimated CO2 is about 26.3 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around St. Louis and Mostly Sunny near Louisiana.

Stop Ideas Near Old Monroe

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Old Monroe and the surrounding midpoint area.
City Hall Park
Scenic stop 12.3 mi away

City Hall Park

Dardenne Prairie , MO
Dardenne Prairie, MO 63368
Rating 4.8/5 294 reviews Tourist attraction,Park
City of O'Fallon
Meeting point 9.8 mi away

City of O'Fallon

O'Fallon , MO
100 N Main St, O'Fallon, MO 63366
Rating 3.3/5 22 reviews City Hall,Water utility company

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Old Monroe.

RAIL

Washington

47 mi away
301 West Front St.
RAIL

Kirkwood

49 mi away
110 West Argonne Dr.
RAIL

Alton

53 mi away
3400 College Ave.
RAIL

Gateway Transportation Center

58 mi away
551 South 16th St.

Flight Path Map

This map shows the direct air route between St. Louis and Louisiana. Straight-line distance: 72.95 mi (117.4 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
Louisiana

#2 Louisiana

Town in Pike County, Missouri, United States

Population3,219
Coordinates39.4489400, -91.0515300
Altitude148
CountryUnited States
Start: St. Louis (-90.19789, 38.62727)
End: Louisiana (-91.05153, 39.44894)

Estimated Travel Time

Distance: 135 km by road

SpeedTime
30 mph (48.3 km/h)02h 47m
40 mph (64.37 km/h)02h 06m
50 mph (80.47 km/h)01h 40m
60 mph (96.56 km/h)01h 24m
70 mph (112.65 km/h)01h 12m
80 mph (129 km/h)01h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.96 gal
11.22 L · about $11.16
Round trip
$22.32
5.92 gal · 22.44 L
Estimated CO2
26.3 kg one way
Round trip: 52.6 kg / 116 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $11.16 $22.32
Mid-grade $4.25 $12.59 $25.18
Premium $4.65 $13.78 $27.55
Diesel $5.30 $15.70 $31.40

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 · May 01, 2026

There is no time difference between St. Louis and Louisiana. The current time is 23:30:27.

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.