How far is Slidell, LA from Baton Rouge, LA?

The driving distance from Slidell, LA to Baton Rouge, LA is about 91.5 miles (147.3 km), with a travel time of about 01h 25m by car.

  • The straight-line flight distance is about 84.6 miles (136.2 km).
  • For a round trip, plan for roughly 02h 50m 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
91.52 mi
01h 25m
Flight
84.64 mi
136.22 km direct

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

Learn Distance

Choose another destination from Slidell.

Flight Distance

Direct air line
84.64 mi
Kilometers
136.22 km
Flight Time
00h 10m

Driving Distance

Road route
91.52 mi
Kilometers
147.28 km
Drive Time
01h 25m

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 25m.

Arrival Snapshot
Arrive in Baton Rouge
Sat, May 2, 2:30 PM CDT
Return by in Slidell
Sat, May 2, 3:55 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Slidell
2026-05-02T13:04
Arrive Baton Rouge
Sat, May 2, 2:30 PM CDT
Route Timing
01h 25m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:25 AM to 11:25 AM CDT

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

Leave by
3:40 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Slidell
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
Hammond
LA

City in Tangipahoa Parish, Louisiana, United States

From Slidell
45.1 mi
00h 42m
To Baton Rouge
46.4 mi
00h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Saturday

Showers And Thunderstorms then Chance Showers And Thunderstorms

Starts
Sat, May 2 6:00 AM CDT
Wind
10 to 15 mph N
Destination
71°F
Saturday

Rain Showers then Mostly Sunny

Starts
Sat, May 2 6:00 AM CDT
Wind
10 to 15 mph N

Driving Route Map

The map below follows the saved road route between Slidell and Baton Rouge.

Turn-by-Turn Driving Directions

Step-by-step road directions between Slidell and Baton Rouge.

  1. 1

    Start on Bouscaren Street

    67 m · 15 sec · Bouscaren Street

  2. 2

    Turn left onto 3rd Street

    845 ft · 24 sec · 3rd Street

  3. 3

    Turn left onto Fremaux Avenue

    723 ft · 21 sec · Fremaux Avenue

  4. 4

    Turn right onto Front Street

    1 km · 1 min · Front Street

  5. 5

    Turn left onto Gause Boulevard West

    3 mi · 5 min · Gause Boulevard West

  6. 6

    Turn right onto Northshore Boulevard

    1.1 km · 1 min · Northshore Boulevard

  7. 7

    Continue on Airport Road

    1520 ft · 29 sec · Airport Road

  8. 8

    Take the ramp left

    1862 ft · 45 sec

  9. 9

    Merge slight left onto West Florida Republic Parkway

    80.3 mi · 1 hr 27 min · West Florida Republic Parkway

  10. 10

    Merge slight right

    3.6 mi · 4 min

  11. 11

    Keep slight right to continue on Martin Luther King Jr Memorial Freeway

    2034 ft · 29 sec · Martin Luther King Jr Memorial Freeway

  12. 12

    Take the exit slight right toward LA 73: Government Street, River Center, Downtown

    1035 ft · 37 sec

  13. 13

    Turn left onto Government Street

    3035 ft · 1 min · Government Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Government Street

Car Route Details

A richer read on the saved driving route between Slidell and Baton Rouge.

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
14 steps
6 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
15.3 / 100 mi
Decision points by distance
Main Roads
West Florida Republic Parkway
83.9 mi · 92%
Gause Boulevard West
3.01 mi · 3%
Northshore Boulevard
0.67 mi · 1%
Airport Road
0.64 mi · 1%
Front Street
0.64 mi · 1%
Government Street
0.57 mi · 1%
Longest Stretch

West Florida Republic Parkway

Merge slight left onto West Florida Republic Parkway

80.3 mi · 01h 27m

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 25m
Day trip friendly
Same-Day Return
02h 50m
Round-trip wheel time
Road vs Air
+6.9 mi
84.6 mi direct line
Halfway Stop
Hammond
00h 42m from Slidell
Leave By
3:40 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms then Chance Showers And Thunderstorms leaving Slidell and Rain Showers then Mostly Sunny near Baton Rouge.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Slidell to Baton Rouge?

The road trip is about 91.5 miles (147.3 km) and usually takes 01h 25m 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?

Hammond is a useful midpoint, sitting about 45.1 miles from Slidell and 46.4 miles from Baton Rouge.

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

The direct path is about 84.6 miles (136.2 km), while the road route adds roughly 6.9 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 3:40 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.23 one way or $24.46 round trip. Estimated CO2 is about 28.7 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms then Chance Showers And Thunderstorms around Slidell and Rain Showers then Mostly Sunny near Baton Rouge.

Stop Ideas Near Hammond

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

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

RAIL

Hammond

1 mi away
404 N.E. Railroad Ave.
BUS

Baton Rouge, Louisiana

69 mi away
1253 Florida St.
RAIL

Slidell

70 mi away
1827 Front Street
UNK

New Orleans Union Passenger Terminal

72 mi away
1001 Loyola Avenue

Flight Path Map

This map shows the direct air route between Slidell and Baton Rouge. Straight-line distance: 84.64 mi (136.22 km).

Slidell

#1 Slidell

City in Louisiana

Population27,541
Coordinates30.2751900, -89.7811700
Altitude1
CountryUnited States
Baton Rouge

#2 Baton Rouge

The capital of Louisiana.

Population219,052
Coordinates30.4433200, -91.1874700
Altitude14
CountryUnited States
Start: Bouscaren Street (-89.78117, 30.275199)
End: Government Street (-91.18751, 30.443332)

Estimated Travel Time

Distance: 147 km by road

SpeedTime
30 mph (48.3 km/h)03h 02m
40 mph (64.37 km/h)02h 17m
50 mph (80.47 km/h)01h 49m
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
3.23 gal
12.22 L · about $12.23
Round trip
$24.46
6.46 gal · 24.44 L
Estimated CO2
28.7 kg one way
Round trip: 57.4 kg / 127 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.79 $12.23 $24.46
Mid-grade $4.26 $13.76 $27.51
Premium $4.63 $14.94 $29.88
Diesel $5.42 $17.49 $34.98

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 Louisiana · May 02, 2026

There is no time difference between Slidell and Baton Rouge. The current time is 13:04:32.

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.