How far is Grand Isle, LA from Monroe, LA?
The driving distance from Grand Isle, LA to Monroe, LA is about 330 miles (531.1 km), with a travel time of about 06h 00m by car.
- The straight-line flight distance is about 259 miles (416.9 km).
- For a round trip, plan for roughly 12h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 00m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Human settlement in Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Grand Isle and Monroe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Isle and Monroe.
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1
Start on the route
13.4 mi · 23 min
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2
Turn right onto Gateway to the Gulf Expressway
8.3 mi · 12 min · Gateway to the Gulf Expressway
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3
At the end of the road, turn left onto Highway 1
7.9 mi · 12 min · Highway 1
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4
Turn slight left onto South Alex Plaisance Boulevard
15.6 mi · 19 min · South Alex Plaisance Boulevard
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5
Turn right
2809 ft · 1 min
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6
Continue straight
17.1 mi · 24 min
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7
Continue straight
49 m · 3 sec
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8
Take the ramp slight right toward US 90 East: New Orleans
1524 ft · 37 sec
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9
Merge slight left
3.4 mi · 4 min
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10
Turn slight left onto LA 182
157 m · 13 sec
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11
At the end of the road, turn left onto LA 182
1671 ft · 42 sec
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12
Turn right
19.1 mi · 26 min
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13
Continue on Mars Street
1152 ft · 42 sec · Mars Street
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14
Turn right
6 mi · 9 min
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15
Turn right
2.3 mi · 3 min
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16
Turn left
6.8 mi · 9 min
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17
Turn left onto West Airline Highway
8.9 mi · 11 min · West Airline Highway
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18
Take the exit slight right toward I 10 West: Baton Rouge
3104 ft · 59 sec
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19
Merge slight left
31.5 mi · 35 min
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20
Keep slight right to continue on Martin Luther King Jr Memorial Freeway
6.2 mi · 8 min · Martin Luther King Jr Memorial Freeway
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21
Continue on Martin Luther King, Jr. Memorial Freeway
2.6 mi · 3 min · Martin Luther King, Jr. Memorial Freeway
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22
Keep slight right to continue on US 61 North: Natchez
1227 ft · 17 sec
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23
Continue on Scenic Highway
3.8 mi · 6 min · Scenic Highway
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24
Continue on Samuels Road
75.7 mi · 1 hr 29 min · Samuels Road
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25
Turn left
566 ft · 18 sec
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26
Continue on John R Junkin Drive
2.4 mi · 3 min · John R Junkin Drive
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27
Continue on Natchez-Vidalia Bridge
10.6 mi · 12 min · Natchez-Vidalia Bridge
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28
Continue on E. E. Wallace Boulevard North
63.2 mi · 1 hr 13 min · E. E. Wallace Boulevard North
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29
Turn left
1459 ft · 36 sec
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30
Merge slight left
20.3 mi · 22 min
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31
Take the exit slight right toward US 165 BUS, LA 15: Civic Center
775 ft · 19 sec
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32
Keep slight right
93 m · 7 sec
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33
Turn straight onto Lea Joyner Memorial Expressway
2694 ft · 46 sec · Lea Joyner Memorial Expressway
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34
Continue on North 6th Street
1643 ft · 35 sec · North 6th Street
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35
Turn left onto Louisville Avenue
628 ft · 18 sec · Louisville Avenue
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36
Turn left
14 m · 5 sec
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37
Turn right
12 m · 3 sec
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38
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Grand Isle and Monroe.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Samuels Road
Continue on Samuels Road
75.7 mi · 01h 29m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Slight Chance Showers And Thunderstorms then Mostly Cloudy leaving Grand Isle and Sunny near Monroe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Grand Isle to Monroe?
The road trip is about 330 miles (531.1 km) and usually takes 06h 00m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Slaughter is a useful midpoint, sitting about 164.7 miles from Grand Isle and 165.3 miles from Monroe.
How much longer is the road route than the straight-line distance?
The direct path is about 259 miles (416.9 km), while the road route adds roughly 71 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $44.08 one way or $88.16 round trip. Estimated CO2 is about 103.4 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Cloudy around Grand Isle and Sunny near Monroe.
Stop Ideas Near Slaughter
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 Slaughter.
Baton Rouge, Louisiana
Hammond
McComb
Lafayette
Flight Path Map
This map shows the direct air route between Grand Isle and Monroe. Straight-line distance: 259.05 mi (416.9 km).
#1 Grand Isle
Town of the United States
| Population | 1,447 |
| Coordinates | 29.2366200, -89.9872900 |
| Altitude | 2 |
| Country | United States |
#2 Monroe
The most populous city in Ouachita Parish, Louisiana.
| Population | 46,998 |
| Coordinates | 32.5093100, -92.1193000 |
| Altitude | 23 |
| Country | United States |
End: North 4th Street (-92.119438, 32.509236)
Estimated Travel Time
Distance: 531 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 59m |
| 40 mph (64.37 km/h) | 08h 15m |
| 50 mph (80.47 km/h) | 06h 35m |
| 60 mph (96.56 km/h) | 05h 29m |
| 70 mph (112.65 km/h) | 04h 42m |
| 80 mph (129 km/h) | 04h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $44.08 | $88.16 |
| Mid-grade | $4.26 | $49.57 | $99.15 |
| Premium | $4.63 | $53.84 | $107.67 |
| Diesel | $5.42 | $63.03 | $126.06 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.