Trip from Port Allen, LA to Lafayette, LA

Drive Time

56m

Distance

54.2 mi

Route Type

Turn-heavy local drive

Quick day trip

Trip Overview

The drive from Port Allen, LA to Lafayette, LA covers 54.2 miles and takes about 56m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Avenue A, Dr Martin Luther King Jr Memorial Highway, I 10 West for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $7.36 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

0 planned breaks

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

27.1 miles from Port Allen, LA

A natural place for your longest stop of the day.

Drive Character

Expect a 56m drive with frequent turns across 54.2 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.

There are about 12 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

Avenue A is one of the defining roads on this drive.

Main Roads

Road	Distance	Duration
Avenue A	0 mi	0m
Dr Martin Luther King Jr Memorial Highway	0 mi	0m
I 10 West	0 mi	0m
US 167	0 mi	0m
Veterans Memorial Expressway	0 mi	0m
Northwest Evangeline Thruway	0 mi	0m
Jefferson Boulevard	0 mi	0m
Rue Jefferson	0 mi	0m

Longest stretch: Avenue A — 0 mi, about 0m

Step-by-Step Directions

1

Start on South Alexander Avenue

2

Turn right onto Avenue A

3

Turn left onto Dr Martin Luther King Jr Memorial Highway

4

Take the ramp straight toward I 10 West: Lafayette

5

Merge slight left

6

Take the exit slight right toward US 167: Morgan City

7

Merge slight left onto Veterans Memorial Expressway

8

Continue on Northwest Evangeline Thruway

9

Turn right onto Jefferson Boulevard

10

Continue on Rue Jefferson

11

Turn right onto Rue Vermilion Ouest

12

Arrive at your destination

When to Leave

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.

You may only need one short stretch break if traffic stays light.

The halfway point lands around 27.1 miles from Port Allen, LA.

This is a comfortable same-day trip.

Drive Plan

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 80 miles

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 27.1 miles

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Last hour of driving

Traffic, exits, and arrival timing usually matter more near Lafayette, LA than in the middle of the route.

Before You Leave

+

Open the route before leaving Port Allen, LA so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Trip Strategy

Day 1

Settle into the route from Port Allen, LA

This is one driving day of about 54.2 miles and 56m.

Your first comfortable stop window is around 80 miles from Port Allen, LA.

This route can stay practical as a one-day drive if traffic stays reasonable.

You may only need one short stretch stop if conditions stay smooth.

Best Stop Towns on This Route

These towns line up with the pace of this drive and give you clearer places to stop with a purpose.

Late stop town

Meal stop

Baton Rouge, LA

27 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Travel Advice

Arrival Notes

The final approach into Lafayette, LA usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Lafayette, LA.

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

Stops Along the Way

Halfway Point

Midpoint

About 27.1 mi from Port Allen, LA

Baton Rouge, LA

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Baton Rouge, LA

Meal break

The midpoint is around 27.1 miles from Port Allen, LA, which is a good place for a longer meal and fuel stop.

These stop ideas are pacing suggestions for the drive, so the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Fuel Type	$/gal	One Way	Round Trip
regular	$3.45	$7.36	$14.72
midgrade	$3.85	$8.22	$16.43
premium	$4.15	$8.86	$17.71
diesel	$3.75	$8.00	$16.00

Based on 25.4 MPG average. Estimated CO2 emission: 19 kg one way.

Frequently Asked Questions

The drive from Port Allen, LA to Lafayette, LA covers 54.2 miles and takes about 56m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Avenue A, Dr Martin Luther King Jr Memorial Highway, I 10 West. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 27.1 miles from Port Allen, LA. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $7.36 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

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