How far is Marrero, LA from Donaldsonville, LA?
The driving distance from Marrero, LA to Donaldsonville, LA is about 69.2 miles (111.4 km), with a travel time of about 01h 28m by car.
- The straight-line flight distance is about 55.2 miles (88.9 km).
- For a round trip, plan for roughly 02h 57m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 28m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Unincorporated suburban community and census-designated place in Saint John the Baptist Parish, Louisiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Marrero and Donaldsonville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marrero and Donaldsonville.
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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
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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
43.4 mi · 50 min
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13
Take the exit slight right toward LA 22: Sorrento, Donaldsonville
1749 ft · 34 sec
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14
Turn left
2728 ft · 56 sec
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15
Enter the roundabout and take exit 2 toward Crawford Leblanc Boulevard
63 m · 12 sec · Crawford Leblanc Boulevard
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16
Exit the roundabout onto Crawford Leblanc Boulevard
4.2 mi · 5 min · Crawford Leblanc Boulevard
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17
Turn straight
5.2 mi · 7 min
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18
Keep slight right to continue on LA 3009: Donaldsonville
2.9 mi · 4 min
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19
Arrive at your destination
0 m · 1 sec · West 10th Street
Car Route Details
A richer read on the saved driving route between Marrero and Donaldsonville.
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
43.4 mi · 00h 50m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny leaving Marrero and Mostly Sunny then Slight Chance Showers And Thunderstorms near Donaldsonville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marrero to Donaldsonville?
The road trip is about 69.2 miles (111.4 km) and usually takes 01h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Laplace is a useful midpoint, sitting about 34.6 miles from Marrero and 34.6 miles from Donaldsonville.
How much longer is the road route than the straight-line distance?
The direct path is about 55.2 miles (88.9 km), while the road route adds roughly 14 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.24 one way or $18.48 round trip. Estimated CO2 is about 21.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Marrero and Mostly Sunny then Slight Chance Showers And Thunderstorms near Donaldsonville.
Stop Ideas Near Laplace
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 Laplace.
New Orleans Union Passenger Terminal
Schriever
Hammond
Slidell
Flight Path Map
This map shows the direct air route between Marrero and Donaldsonville. Straight-line distance: 55.26 mi (88.94 km).
#1 Marrero
CDP in Jefferson Parish, Louisiana
| Population | 33,141 |
| Coordinates | 29.8993700, -90.1003500 |
| Altitude | 1 |
| Country | United States |
#2 Donaldsonville
City in Louisiana, United States
| Population | 8,638 |
| Coordinates | 30.1011400, -90.9941200 |
| Altitude | 7 |
| Country | United States |
End: Donaldsonville (-90.99412, 30.10114)
Estimated Travel Time
Distance: 111 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 18m |
| 40 mph (64.37 km/h) | 01h 43m |
| 50 mph (80.47 km/h) | 01h 23m |
| 60 mph (96.56 km/h) | 01h 09m |
| 70 mph (112.65 km/h) | 00h 59m |
| 80 mph (129 km/h) | 00h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $9.24 | $18.48 |
| Mid-grade | $4.26 | $10.39 | $20.78 |
| Premium | $4.63 | $11.29 | $22.57 |
| Diesel | $5.42 | $13.21 | $26.43 |
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 10, 2026