How far is Richwood, LA from Marrero, LA?
The driving distance from Richwood, LA to Marrero, LA is about 270.3 miles (435 km), with a travel time of about 04h 44m by car.
- The straight-line flight distance is about 211.6 miles (340.6 km).
- For a round trip, plan for roughly 09h 29m 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 44m.
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.
Village in East Feliciana Parish, Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Mostly Sunny
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Richwood and Marrero.
Turn-by-Turn Driving Directions
Step-by-step road directions between Richwood and Marrero.
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1
Start on the route
23 m · 10 sec
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2
Continue straight
3.3 mi · 4 min
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3
Take the exit slight right
549 ft · 13 sec
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4
Keep slight right
1537 ft · 37 sec
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5
Merge slight left
18.7 mi · 20 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
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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 Richwood 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.
Chance Rain Showers then Mostly Sunny leaving Richwood and Slight 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 Richwood to Marrero?
The road trip is about 270.3 miles (435 km) and usually takes 04h 44m 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?
Norwood is a useful midpoint, sitting about 137.6 miles from Richwood and 132.7 miles from Marrero.
How much longer is the road route than the straight-line distance?
The direct path is about 211.6 miles (340.6 km), while the road route adds roughly 58.7 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 7:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.13 one way or $72.26 round trip. Estimated CO2 is about 84.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Mostly Sunny around Richwood and Slight Chance Showers And Thunderstorms near Marrero.
Stop Ideas Near Norwood
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 Norwood.
Baton Rouge, Louisiana
McComb
Hammond
Brookhaven
Flight Path Map
This map shows the direct air route between Richwood and Marrero. Straight-line distance: 211.63 mi (340.58 km).
#1 Richwood
Town in Louisiana, United States
| Population | 3,375 |
| Coordinates | 32.4487600, -92.0848600 |
| Altitude | 22 |
| 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: 435 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 00m |
| 40 mph (64.37 km/h) | 06h 45m |
| 50 mph (80.47 km/h) | 05h 24m |
| 60 mph (96.56 km/h) | 04h 30m |
| 70 mph (112.65 km/h) | 03h 51m |
| 80 mph (129 km/h) | 03h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $36.13 | $72.26 |
| Mid-grade | $4.26 | $40.63 | $81.26 |
| Premium | $4.63 | $44.12 | $88.24 |
| Diesel | $5.42 | $51.66 | $103.32 |
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.