How far is Marrero, LA from Mamou, LA?
The driving distance from Marrero, LA to Mamou, LA is about 172.5 miles (277.6 km), with a travel time of about 03h 36m by car.
- The straight-line flight distance is about 147.4 miles (237.2 km).
- For a round trip, plan for roughly 07h 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 03h 36m.
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.
Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Marrero and Mamou.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marrero and Mamou.
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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
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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
3.9 mi · 5 min
-
14
Take the exit slight right toward LA 415: Lobdell
1842 ft · 45 sec
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15
Keep slight right to continue on LA 415: Lobdell
97 m · 8 sec
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16
Merge slight left onto North Lobdell Highway
3.6 mi · 5 min · North Lobdell Highway
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17
Merge slight left onto State Route 1
56 mi · 1 hr 11 min · State Route 1
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18
Continue on Lawler Highway
14.7 mi · 17 min · Lawler Highway
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19
Turn right onto North C C Duson Street
1.2 km · 1 min · North C C Duson Street
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20
Continue on State Route 13
2.4 mi · 4 min · State Route 13
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21
Continue on Veterans Memorial Highway
6.4 mi · 9 min · Veterans Memorial Highway
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22
Turn right
2237 ft · 50 sec
-
23
Turn left onto 6th Street
2685 ft · 58 sec · 6th Street
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24
Turn right
18 m · 6 sec
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25
Turn right
14 m · 9 sec
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26
Turn left
7 m · 2 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Marrero and Mamou.
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
Merge slight left
70.8 mi · 01h 20m
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.
Slight Chance Showers And Thunderstorms leaving Marrero and Chance Showers And Thunderstorms then Mostly Cloudy near Mamou.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marrero to Mamou?
The road trip is about 172.5 miles (277.6 km) and usually takes 03h 36m 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?
Port Allen is a useful midpoint, sitting about 86.2 miles from Marrero and 86.3 miles from Mamou.
How much longer is the road route than the straight-line distance?
The direct path is about 147.4 miles (237.2 km), while the road route adds roughly 25.1 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 9:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.06 one way or $46.13 round trip. Estimated CO2 is about 54.1 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Marrero and Chance Showers And Thunderstorms then Mostly Cloudy near Mamou.
Stop Ideas Near Port Allen
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Plaza
Baker Utility Office
Baker Municipal Center Auditorium
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Port Allen.
Baton Rouge, Louisiana
Hammond
New Iberia
Lafayette
Flight Path Map
This map shows the direct air route between Marrero and Mamou. Straight-line distance: 147.39 mi (237.2 km).
#1 Marrero
CDP in Jefferson Parish, Louisiana
| Population | 33,141 |
| Coordinates | 29.8993700, -90.1003500 |
| Altitude | 1 |
| Country | United States |
#2 Mamou
Human settlement in Louisiana, United States of America
| Population | 3,077 |
| Coordinates | 30.6338100, -92.4193000 |
| Altitude | 19 |
| Country | United States |
End: Mamou (-92.4193, 30.63381)
Estimated Travel Time
Distance: 278 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 44m |
| 40 mph (64.37 km/h) | 04h 18m |
| 50 mph (80.47 km/h) | 03h 26m |
| 60 mph (96.56 km/h) | 02h 52m |
| 70 mph (112.65 km/h) | 02h 27m |
| 80 mph (129 km/h) | 02h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $23.06 | $46.13 |
| Mid-grade | $4.26 | $25.94 | $51.87 |
| Premium | $4.63 | $28.17 | $56.33 |
| Diesel | $5.42 | $32.98 | $65.95 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.