How far is Saint Martinville, LA from Marrero, LA?
The driving distance from Saint Martinville, LA to Marrero, LA is about 136.9 miles (220.3 km), with a travel time of about 02h 29m by car.
- The straight-line flight distance is about 104.8 miles (168.7 km).
- For a round trip, plan for roughly 04h 58m 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 02h 29m.
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.
City in Louisiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Martinville and Marrero.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Martinville and Marrero.
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1
Start on West Bridge Street
1447 ft · 48 sec · West Bridge Street
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2
Turn right onto Rue Principale Sud
1.1 mi · 2 min · Rue Principale Sud
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3
Continue on Main Highway
1.4 km · 1 min · Main Highway
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4
Enter the roundabout and take exit 2 toward Main Highway
39 m · 2 sec · Main Highway
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5
Exit the roundabout onto Main Highway
3.9 mi · 6 min · Main Highway
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6
Continue on Jane Street
2.5 mi · 4 min · Jane Street
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7
Turn right onto Chestnut Street
1148 ft · 29 sec · Chestnut Street
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8
Turn left onto West Saint Peter Street
1.4 km · 2 min · West Saint Peter Street
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9
Turn right onto Center Street
1.2 mi · 2 min · Center Street
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10
Continue on Abbeville Hwy 14
1.5 km · 1 min · Abbeville Hwy 14
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11
Turn left onto Avery Island Road
2963 ft · 1 min · Avery Island Road
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12
Take the ramp left
23 m · 4 sec
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13
Turn left
1823 ft · 45 sec
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14
Merge slight left
117.6 mi · 2 hr 18 min
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15
Take the exit slight right toward US 90 Business
4 mi · 6 min · Westbank Expressway
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16
Keep slight left to continue on Westbank Expressway
1.4 km · 1 min · Westbank Expressway
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17
Take the exit slight right toward LA 45: Barataria Boulevard
1333 ft · 29 sec
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18
Turn straight onto Westbank Expressway
588 ft · 14 sec · Westbank Expressway
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19
Turn left onto Barataria Boulevard
1909 ft · 55 sec · Barataria Boulevard
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20
Arrive at your destination
0 m · 1 sec · Barataria Boulevard
Car Route Details
A richer read on the saved driving route between Saint Martinville and Marrero.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Avery Island Road
Merge slight left
118 mi · 02h 18m
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.
Chance Showers And Thunderstorms leaving Saint Martinville and Slight Chance Rain Showers then 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 Saint Martinville to Marrero?
The road trip is about 136.9 miles (220.3 km) and usually takes 02h 29m 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?
Morgan City is a useful midpoint, sitting about 68 miles from Saint Martinville and 68.8 miles from Marrero.
How much longer is the road route than the straight-line distance?
The direct path is about 104.8 miles (168.7 km), while the road route adds roughly 32.1 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:32 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.29 one way or $36.58 round trip. Estimated CO2 is about 42.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Saint Martinville and Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms near Marrero.
Stop Ideas Near Morgan City
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 Morgan City.
Schriever
New Iberia
Baton Rouge, Louisiana
Lafayette
Flight Path Map
This map shows the direct air route between Saint Martinville and Marrero. Straight-line distance: 104.86 mi (168.75 km).
#1 Saint Martinville
City in Louisiana, USA
| Population | 5,676 |
| Coordinates | 30.1252000, -91.8334500 |
| Altitude | 7 |
| 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: 220 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 33m |
| 40 mph (64.37 km/h) | 03h 25m |
| 50 mph (80.47 km/h) | 02h 44m |
| 60 mph (96.56 km/h) | 02h 16m |
| 70 mph (112.65 km/h) | 01h 57m |
| 80 mph (129 km/h) | 01h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $18.29 | $36.58 |
| Mid-grade | $4.26 | $20.57 | $41.14 |
| Premium | $4.63 | $22.34 | $44.68 |
| Diesel | $5.42 | $26.15 | $52.31 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.