How far is Grambling, LA from Slidell, LA?
The driving distance from Grambling, LA to Slidell, LA is about 304 miles (489.2 km), with a travel time of about 04h 57m by car.
- The straight-line flight distance is about 232.6 miles (374.4 km).
- For a round trip, plan for roughly 09h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 57m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Largest city and the parish seat of Concordia Parish, Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Grambling and Slidell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grambling and Slidell.
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1
Start on Main Street
827 ft · 43 sec · Main Street
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2
At the end of the road, turn left onto Martin Luther King Jr Avenue
846 ft · 23 sec · Martin Luther King Jr Avenue
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3
Turn right onto Rwe Jones Drive
1.1 km · 1 min · Rwe Jones Drive
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4
Take the ramp slight right
1748 ft · 43 sec
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5
Merge slight left
56.1 mi · 1 hr 1 min
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6
Take the exit slight right toward US 425: Rayville, Archibald
1531 ft · 42 sec
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7
Turn right
74.1 mi · 1 hr 26 min
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8
Turn left onto South Canal Street
1.1 km · 2 min · South Canal Street
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9
Turn right onto State Street
2270 ft · 55 sec · State Street
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10
Turn left onto South Martin Luther King Jr Street
869 ft · 21 sec · South Martin Luther King Jr Street
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11
Turn right onto East Franklin Street
1.3 km · 1 min · East Franklin Street
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12
Turn slight left onto Devereaux Drive
1.1 mi · 2 min · Devereaux Drive
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13
Take the ramp straight toward Devereaux Drive
714 ft · 20 sec · Devereaux Drive
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14
Merge slight right
3.3 mi · 4 min
-
15
Take the exit slight right
28.3 mi · 33 min
-
16
Take the exit slight right
1435 ft · 39 sec
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17
Keep slight left
51 m · 5 sec
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18
Turn right
3187 ft · 44 sec
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19
Turn right
28.9 mi · 33 min
-
20
Take the exit slight right
13.6 mi · 15 min
-
21
Continue straight
43.2 mi · 46 min
-
22
Take the exit slight right toward I 12 East: Slidell
1124 ft · 28 sec
-
23
Merge slight left onto West Florida Republic Parkway
42 mi · 45 min · West Florida Republic Parkway
-
24
Take the exit slight right toward Airport Drive, North Shore Boulevard
2028 ft · 51 sec
-
25
Turn right onto Northshore Boulevard
3233 ft · 1 min · Northshore Boulevard
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26
At the end of the road, turn left onto Gause Boulevard West
3 mi · 5 min · Gause Boulevard West
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27
Turn right onto Front Street
1 km · 1 min · Front Street
-
28
Turn left onto Fremaux Avenue
723 ft · 19 sec · Fremaux Avenue
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29
Turn right onto 3rd Street
845 ft · 19 sec · 3rd Street
-
30
Turn right onto Bouscaren Street
67 m · 10 sec · Bouscaren Street
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31
Arrive at your destination
0 m · 1 sec · Bouscaren Street
Car Route Details
A richer read on the saved driving route between Grambling and Slidell.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn right
74.1 mi · 01h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Clear leaving Grambling and Chance Showers And Thunderstorms near Slidell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grambling to Slidell?
The road trip is about 304 miles (489.2 km) and usually takes 04h 57m 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?
Vidalia is a useful midpoint, sitting about 150.4 miles from Grambling and 153.5 miles from Slidell.
How much longer is the road route than the straight-line distance?
The direct path is about 232.6 miles (374.4 km), while the road route adds roughly 71.4 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 7:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.63 one way or $81.27 round trip. Estimated CO2 is about 95.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Grambling and Chance Showers And Thunderstorms near Slidell.
Stop Ideas Near Vidalia
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Vidalia.
Brookhaven
Vicksburg, MS
McComb
Hazlehurst station
Flight Path Map
This map shows the direct air route between Grambling and Slidell. Straight-line distance: 232.65 mi (374.42 km).
#1 Grambling
City in Louisiana, United States of America
| Population | 5,114 |
| Coordinates | 32.5276500, -92.7140400 |
| Altitude | 93 |
| Country | United States |
#2 Slidell
City in Louisiana
| Population | 27,541 |
| Coordinates | 30.2751900, -89.7811700 |
| Altitude | 1 |
| Country | United States |
End: Bouscaren Street (-89.78117, 30.275199)
Estimated Travel Time
Distance: 489 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 07m |
| 40 mph (64.37 km/h) | 07h 35m |
| 50 mph (80.47 km/h) | 06h 04m |
| 60 mph (96.56 km/h) | 05h 03m |
| 70 mph (112.65 km/h) | 04h 20m |
| 80 mph (129 km/h) | 03h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $40.63 | $81.27 |
| Mid-grade | $4.26 | $45.70 | $91.40 |
| Premium | $4.63 | $49.63 | $99.25 |
| Diesel | $5.42 | $58.10 | $116.21 |
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 · Jul 10, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.