How far is Monticello, LA from Marrero, LA?
The driving distance from Monticello, LA to Marrero, LA is about 257.6 miles (414.6 km), with a travel time of about 04h 18m by car.
- The straight-line flight distance is about 201.4 miles (324.1 km).
- For a round trip, plan for roughly 08h 36m 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 18m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Clear
Driving Route Map
The map below follows the saved road route between Monticello and Marrero.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monticello and Marrero.
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1
Start on State Route 877
73 m · 13 sec · State Route 877
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2
Turn left onto State Route 577
2.1 mi · 5 min · State Route 577
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3
Continue on State Route 577
10.7 mi · 26 min · State Route 577
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4
At the end of the road, turn left
97 m · 9 sec
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5
Turn right onto State Route 577
1.5 mi · 3 min · State Route 577
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6
Take the ramp left
2228 ft · 54 sec
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7
Merge slight left
32.7 mi · 36 min
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8
Merge slight right
3.8 mi · 5 min
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9
Keep slight right
38.4 mi · 43 min
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10
Take the exit slight right toward I 55 South
92 m · 7 sec
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11
Keep slight left to continue on I 55 South
1276 ft · 31 sec
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12
Keep slight left to continue on I 55 South
2522 ft · 1 min
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13
Merge slight left
157.5 mi · 2 hr 49 min
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14
Merge slight left
20 mi · 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 Monticello and Marrero.
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 55 South
Merge slight left
157 mi · 02h 49m
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 Monticello and Mostly Clear near Marrero.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Monticello to Marrero?
The road trip is about 257.6 miles (414.6 km) and usually takes 04h 18m 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?
Kentwood is a useful midpoint, sitting about 140.6 miles from Monticello and 117 miles from Marrero.
How much longer is the road route than the straight-line distance?
The direct path is about 201.4 miles (324.1 km), while the road route adds roughly 56.2 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 8:24 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.42 one way or $68.85 round trip. Estimated CO2 is about 80.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Monticello and Mostly Clear near Marrero.
Stop Ideas Near Kentwood
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 Kentwood.
McComb
Hammond
Brookhaven
Baton Rouge, Louisiana
Flight Path Map
This map shows the direct air route between Monticello and Marrero. Straight-line distance: 201.41 mi (324.14 km).
#1 Monticello
Monticello is a place in Louisiana, United States.
| Population | 0 |
| Coordinates | 32.5965300, -91.3940000 |
| Altitude | 26 |
| 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: 415 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 34m |
| 40 mph (64.37 km/h) | 06h 26m |
| 50 mph (80.47 km/h) | 05h 09m |
| 60 mph (96.56 km/h) | 04h 17m |
| 70 mph (112.65 km/h) | 03h 40m |
| 80 mph (129 km/h) | 03h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $34.42 | $68.85 |
| Mid-grade | $4.26 | $38.71 | $77.43 |
| Premium | $4.63 | $42.04 | $84.08 |
| Diesel | $5.42 | $49.22 | $98.44 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.