How far is Marrero, LA from Westlake, LA?
The driving distance from Marrero, LA to Westlake, LA is about 215.2 miles (346.4 km), with a travel time of about 04h 11m by car.
- The straight-line flight distance is about 189.8 miles (305.5 km).
- For a round trip, plan for roughly 08h 23m 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 11m.
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.
City in Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Patchy Fog then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Marrero and Westlake.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marrero and Westlake.
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1
Start on Barataria Boulevard
105 m · 13 sec · Barataria Boulevard
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2
Continue on Barataria Boulevard
1975 ft · 58 sec · Barataria Boulevard
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3
Turn right onto Westbank Expressway
40 m · 3 sec · Westbank Expressway
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4
Take the ramp slight left toward US 90 Business West
1280 ft · 31 sec
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5
Merge slight left onto Westbank Expressway
4.2 mi · 5 min · Westbank Expressway
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6
Turn right onto Nine Mile Point Road
2385 ft · 1 min · Nine Mile Point Road
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7
Continue on West Nine Mile Point Road
978 ft · 27 sec · West Nine Mile Point Road
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8
Turn right
2.6 mi · 4 min
-
9
Continue straight
3.8 mi · 8 min
-
10
Take the exit slight right toward I 10 West: Baton Rouge
1975 ft · 51 sec
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11
Keep slight left
1700 ft · 41 sec
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12
Merge slight left
70.8 mi · 1 hr 20 min
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13
Keep slight left
128.7 mi · 2 hr 23 min
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14
Take the exit slight right toward US 90 West
1377 ft · 34 sec
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15
Keep slight left
2156 ft · 53 sec
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16
Turn slight left
2489 ft · 1 min
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17
Merge slight left onto Creole Nature Trail All-American Road
1.2 km · 56 sec · Creole Nature Trail All-American Road
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18
Take the exit slight right toward LA 378: Westlake
1029 ft · 27 sec
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19
Turn left onto I- 10 Service Road
1356 ft · 27 sec · I- 10 Service Road
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20
Continue on Perkins Street
159 m · 11 sec · Perkins Street
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21
Continue on Isle of Capri Boulevard
1756 ft · 40 sec · Isle of Capri Boulevard
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22
Turn left onto Miller Avenue
1965 ft · 54 sec · Miller Avenue
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23
Arrive at your destination
0 m · 1 sec · Miller Avenue
Car Route Details
A richer read on the saved driving route between Marrero and Westlake.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 10 West
Keep slight left
129 mi · 02h 23m
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 then Slight Chance Showers And Thunderstorms leaving Marrero and Patchy Fog then Mostly Sunny near Westlake.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marrero to Westlake?
The road trip is about 215.2 miles (346.4 km) and usually takes 04h 11m 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?
Maringouin is a useful midpoint, sitting about 107.5 miles from Marrero and 107.7 miles from Westlake.
How much longer is the road route than the straight-line distance?
The direct path is about 189.8 miles (305.5 km), while the road route adds roughly 25.4 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 8:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.74 one way or $57.49 round trip. Estimated CO2 is about 67.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Marrero and Patchy Fog then Mostly Sunny near Westlake.
Stop Ideas Near Maringouin
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 Maringouin.
Baton Rouge, Louisiana
Lafayette
New Iberia
Hammond
Flight Path Map
This map shows the direct air route between Marrero and Westlake. Straight-line distance: 189.85 mi (305.53 km).
#1 Marrero
CDP in Jefferson Parish, Louisiana
| Population | 33,141 |
| Coordinates | 29.8993700, -90.1003500 |
| Altitude | 1 |
| Country | United States |
#2 Westlake
Human settlement in Louisiana, United States of America
| Population | 4,873 |
| Coordinates | 30.2421500, -93.2507100 |
| Altitude | 5 |
| Country | United States |
End: Westlake (-93.25071, 30.24215)
Estimated Travel Time
Distance: 346 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 10m |
| 40 mph (64.37 km/h) | 05h 22m |
| 50 mph (80.47 km/h) | 04h 18m |
| 60 mph (96.56 km/h) | 03h 35m |
| 70 mph (112.65 km/h) | 03h 04m |
| 80 mph (129 km/h) | 02h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $28.74 | $57.49 |
| Mid-grade | $4.26 | $32.33 | $64.65 |
| Premium | $4.63 | $35.10 | $70.21 |
| Diesel | $5.42 | $41.10 | $82.20 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.