How far is Prien, LA from Marrero, LA?
The driving distance from Prien, LA to Marrero, LA is about 213.8 miles (344 km), with a travel time of about 03h 34m by car.
- The straight-line flight distance is about 190.8 miles (307.1 km).
- For a round trip, plan for roughly 07h 09m 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 03h 34m.
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.
Human settlement in Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Prien and Marrero.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prien and Marrero.
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1
Start on Lock Lane
1815 ft · 1 min · Lock Lane
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2
Turn right onto Henderson Bayou Road
2391 ft · 2 min · Henderson Bayou Road
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3
At the end of the road, turn left onto West Prien Lake Road
2634 ft · 1 min · West Prien Lake Road
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4
Enter the roundabout and take exit 2 toward Cove Lane
39 m · 3 sec · Cove Lane
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5
Exit the roundabout onto Cove Lane
96 m · 10 sec · Cove Lane
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6
Take the ramp right toward I 210 East: Lafayette
2049 ft · 50 sec
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7
Merge slight left onto 1st Lieutenant Douglas B Fournet Memorial Parkway
8.2 mi · 10 min · 1st Lieutenant Douglas B Fournet Memorial Parkway
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8
Keep slight right to continue on I 10 East: Lafayette
1 km · 56 sec
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9
Merge slight left
196 mi · 3 hr 39 min
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10
Keep slight right to continue on Pontchartrain Expressway
3.5 mi · 4 min · Pontchartrain Expressway
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11
Keep slight left to continue on Pontchartrain Expressway
2.4 mi · 3 min · Pontchartrain Expressway
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12
Continue on Crescent City Connection
1.1 km · 1 min · Crescent City Connection
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13
Continue on Westbank Expressway
5.4 mi · 7 min · Westbank Expressway
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14
Take the exit slight right toward LA 45: Barataria Boulevard
1395 ft · 30 sec
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15
Turn straight onto Westbank Expressway
1403 ft · 36 sec · Westbank Expressway
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16
Turn right onto Barataria Boulevard
1612 ft · 39 sec · Barataria Boulevard
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17
Arrive at your destination
0 m · 1 sec · Barataria Boulevard
Car Route Details
A richer read on the saved driving route between Prien and Marrero.
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 East
Merge slight left
196 mi · 03h 39m
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.
Showers And Thunderstorms leaving Prien and Chance Showers And Thunderstorms near Marrero.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Prien to Marrero?
The road trip is about 213.8 miles (344 km) and usually takes 03h 34m 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?
Grosse Tete is a useful midpoint, sitting about 109.5 miles from Prien and 104.2 miles from Marrero.
How much longer is the road route than the straight-line distance?
The direct path is about 190.8 miles (307.1 km), while the road route adds roughly 23 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 9:50 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.55 one way or $57.11 round trip. Estimated CO2 is about 67 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Prien and Chance Showers And Thunderstorms near Marrero.
Stop Ideas Near Grosse Tete
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 Grosse Tete.
Baton Rouge, Louisiana
New Iberia
Lafayette
Hammond
Flight Path Map
This map shows the direct air route between Prien and Marrero. Straight-line distance: 190.8 mi (307.07 km).
#1 Prien
City in Louisiana, United States of America
| Population | 7,810 |
| Coordinates | 30.1818700, -93.2737700 |
| Altitude | 4 |
| 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: 344 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 07m |
| 40 mph (64.37 km/h) | 05h 20m |
| 50 mph (80.47 km/h) | 04h 16m |
| 60 mph (96.56 km/h) | 03h 33m |
| 70 mph (112.65 km/h) | 03h 03m |
| 80 mph (129 km/h) | 02h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $28.55 | $57.11 |
| Mid-grade | $4.26 | $32.11 | $64.23 |
| Premium | $4.63 | $34.87 | $69.75 |
| Diesel | $5.42 | $40.83 | $81.66 |
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 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.