How far is Baton Rouge, LA from Port Allen, LA?
The driving distance from Baton Rouge, LA to Port Allen, LA is about 2.4 miles (3.9 km), with a travel time of about 00h 04m by car.
- The straight-line flight distance is about 1.5 miles (2.4 km).
- For a round trip, plan for roughly 00h 08m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 04m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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 then Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Baton Rouge and Port Allen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Baton Rouge and Port Allen.
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1
Start on Government Street
92 m · 11 sec · Government Street
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2
Turn right onto Saint Ferdinand Street
631 ft · 17 sec · Saint Ferdinand Street
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3
Take the ramp slight right
1222 ft · 30 sec
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4
Merge slight left onto Horace Wilkinson Bridge
1.1 mi · 1 min · Horace Wilkinson Bridge
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5
Take the exit slight right toward LA 1 North, LA 1 South: Port Allen, Plaquemine
927 ft · 23 sec
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6
Keep slight right to continue on LA 1 North: Port Allen
1327 ft · 32 sec
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7
Continue on Highway 1 South
563 ft · 13 sec · Highway 1 South
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8
Continue on Dr Martin Luther King Jr Memorial Highway
2104 ft · 44 sec · Dr Martin Luther King Jr Memorial Highway
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9
Turn right onto Court Street
18 m · 6 sec · Court Street
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10
Turn right onto South Alexander Avenue
13 m · 1 sec · South Alexander Avenue
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11
Arrive at your destination
0 m · 1 sec · South Alexander Avenue
Car Route Details
A richer read on the saved driving route between Baton Rouge and Port Allen.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Horace Wilkinson Bridge
Merge slight left onto Horace Wilkinson Bridge
1.09 mi · 00h 01m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny then Chance Showers And Thunderstorms leaving Baton Rouge and Mostly Sunny then Slight Chance Showers And Thunderstorms near Port Allen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Baton Rouge to Port Allen?
The road trip is about 2.4 miles (3.9 km) and usually takes 00h 04m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Brusly is a useful midpoint, sitting about 1.2 miles from Baton Rouge and 1.2 miles from Port Allen.
How much longer is the road route than the straight-line distance?
The direct path is about 1.5 miles (2.4 km), while the road route adds roughly 0.9 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 8:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.34 one way or $0.68 round trip. Estimated CO2 is about 0.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Baton Rouge and Mostly Sunny then Slight Chance Showers And Thunderstorms near Port Allen.
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 Baton Rouge and Port Allen. Straight-line distance: 1.48 mi (2.38 km).
#1 Baton Rouge
The capital of Louisiana.
| Population | 219,052 |
| Coordinates | 30.4433200, -91.1874700 |
| Altitude | 14 |
| Country | United States |
#2 Port Allen
City in Louisiana, United States of America
| Population | 4,720 |
| Coordinates | 30.4521400, -91.2101100 |
| Altitude | 8 |
| Country | United States |
End: Port Allen (-91.21011, 30.45214)
Estimated Travel Time
Distance: 4 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 04m |
| 40 mph (64.37 km/h) | 00h 03m |
| 50 mph (80.47 km/h) | 00h 02m |
| 60 mph (96.56 km/h) | 00h 02m |
| 70 mph (112.65 km/h) | 00h 02m |
| 80 mph (129 km/h) | 00h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $0.34 | $0.68 |
| Mid-grade | $4.26 | $0.38 | $0.77 |
| Premium | $4.63 | $0.42 | $0.83 |
| Diesel | $5.42 | $0.49 | $0.97 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.