How far is Marrero, LA from Welsh, LA?
The driving distance from Marrero, LA to Welsh, LA is about 185.8 miles (299 km), with a travel time of about 03h 37m by car.
- The straight-line flight distance is about 164.4 miles (264.6 km).
- For a round trip, plan for roughly 07h 14m 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 37m.
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.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Marrero and Welsh.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marrero and Welsh.
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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
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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
70.8 mi · 1 hr 20 min
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13
Keep slight left
101.1 mi · 1 hr 52 min
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14
Take the exit slight right toward LA 99: Welsh
1602 ft · 44 sec
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15
Turn left onto North Adams Street
1.4 km · 2 min · North Adams Street
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16
Turn right onto West South Street
96 m · 19 sec · West South Street
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17
Turn left onto South Elm Street
57 m · 8 sec · South Elm Street
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18
Arrive at your destination
0 m · 1 sec · South Elm Street
Car Route Details
A richer read on the saved driving route between Marrero and Welsh.
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
101 mi · 01h 52m
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.
Mostly Sunny leaving Marrero and Mostly Sunny near Welsh.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marrero to Welsh?
The road trip is about 185.8 miles (299 km) and usually takes 03h 37m 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?
Brusly is a useful midpoint, sitting about 92.8 miles from Marrero and 93 miles from Welsh.
How much longer is the road route than the straight-line distance?
The direct path is about 164.4 miles (264.6 km), while the road route adds roughly 21.4 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 9:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.84 one way or $49.69 round trip. Estimated CO2 is about 58.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Marrero and Mostly Sunny near Welsh.
Stop Ideas Near Brusly
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 Brusly.
Baton Rouge, Louisiana
New Iberia
Lafayette
Hammond
Flight Path Map
This map shows the direct air route between Marrero and Welsh. Straight-line distance: 164.43 mi (264.63 km).
#1 Marrero
CDP in Jefferson Parish, Louisiana
| Population | 33,141 |
| Coordinates | 29.8993700, -90.1003500 |
| Altitude | 1 |
| Country | United States |
#2 Welsh
Town in Jefferson Davis Parish, Louisiana, United States
| Population | 3,195 |
| Coordinates | 30.2360400, -92.8226500 |
| Altitude | 6 |
| Country | United States |
End: Welsh (-92.82265, 30.23604)
Estimated Travel Time
Distance: 299 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 11m |
| 40 mph (64.37 km/h) | 04h 38m |
| 50 mph (80.47 km/h) | 03h 42m |
| 60 mph (96.56 km/h) | 03h 05m |
| 70 mph (112.65 km/h) | 02h 39m |
| 80 mph (129 km/h) | 02h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $24.84 | $49.69 |
| Mid-grade | $4.26 | $27.94 | $55.88 |
| Premium | $4.63 | $30.34 | $60.68 |
| Diesel | $5.42 | $35.52 | $71.04 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.