How far is Grambling, LA from Marrero, LA?
The driving distance from Grambling, LA to Marrero, LA is about 299.7 miles (482.4 km), with a travel time of about 05h 06m by car.
- The straight-line flight distance is about 238.4 miles (383.6 km).
- For a round trip, plan for roughly 10h 12m 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 05h 06m.
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.
Partly Sunny
Mostly Clear
Driving Route Map
The map below follows the saved road route between Grambling and Marrero.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grambling and Marrero.
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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
76.2 mi · 1 hr 28 min
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8
Keep slight right
526 ft · 14 sec
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9
Merge slight left onto Seargent Prentiss Drive
79.3 mi · 1 hr 34 min · Seargent Prentiss Drive
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10
Take the exit straight toward I 110 South: Baton Rouge
2467 ft · 48 sec
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11
Continue on Martin Luther King, Jr. Memorial Freeway
2.5 mi · 3 min · Martin Luther King, Jr. Memorial Freeway
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12
Continue on Martin Luther King Jr Memorial Freeway
5.7 mi · 7 min · Martin Luther King Jr Memorial Freeway
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13
Keep slight left to continue on Martin Luther King Jr Memorial Freeway
2897 ft · 36 sec · Martin Luther King Jr Memorial Freeway
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14
Merge slight right
74.7 mi · 1 hr 25 min
-
15
Keep slight right to continue on Pontchartrain Expressway
3.5 mi · 4 min · Pontchartrain Expressway
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16
Keep slight left to continue on Pontchartrain Expressway
2.4 mi · 3 min · Pontchartrain Expressway
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17
Continue on Crescent City Connection
1.1 km · 1 min · Crescent City Connection
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18
Continue on Westbank Expressway
5.4 mi · 7 min · Westbank Expressway
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19
Take the exit slight right toward LA 45: Barataria Boulevard
1395 ft · 30 sec
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20
Turn straight onto Westbank Expressway
1403 ft · 36 sec · Westbank Expressway
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21
Turn right onto Barataria Boulevard
1612 ft · 39 sec · Barataria Boulevard
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22
Arrive at your destination
0 m · 1 sec · Barataria Boulevard
Car Route Details
A richer read on the saved driving route between Grambling and Marrero.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Seargent Prentiss Drive
Merge slight left onto Seargent Prentiss Drive
79.3 mi · 01h 34m
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.
Partly Sunny leaving Grambling and Mostly Clear near Marrero.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grambling to Marrero?
The road trip is about 299.7 miles (482.4 km) and usually takes 05h 06m 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 155.1 miles from Grambling and 144.7 miles from Marrero.
How much longer is the road route than the straight-line distance?
The direct path is about 238.4 miles (383.6 km), while the road route adds roughly 61.3 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 6:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.07 one way or $80.13 round trip. Estimated CO2 is about 94 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Grambling and Mostly Clear near Marrero.
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 Marrero. Straight-line distance: 238.37 mi (383.62 km).
#1 Grambling
City in Louisiana, United States of America
| Population | 5,114 |
| Coordinates | 32.5276500, -92.7140400 |
| Altitude | 93 |
| Country | United States |
#2 Marrero
CDP in Jefferson Parish, Louisiana
| Population | 33,141 |
| Coordinates | 29.8993700, -90.1003500 |
| Altitude | 1 |
| Country | United States |
End: Barataria Boulevard (-90.100445, 29.899359)
Estimated Travel Time
Distance: 482 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 59m |
| 40 mph (64.37 km/h) | 07h 29m |
| 50 mph (80.47 km/h) | 05h 59m |
| 60 mph (96.56 km/h) | 04h 59m |
| 70 mph (112.65 km/h) | 04h 16m |
| 80 mph (129 km/h) | 03h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $40.07 | $80.13 |
| Mid-grade | $4.26 | $45.06 | $90.12 |
| Premium | $4.63 | $48.93 | $97.87 |
| Diesel | $5.42 | $57.29 | $114.58 |
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 · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.