How far is Port Allen, LA from Houma, LA?
The driving distance from Port Allen, LA to Houma, LA is about 81.8 miles (131.6 km), with a travel time of about 01h 44m by car.
- The straight-line flight distance is about 66.1 miles (106.3 km).
- For a round trip, plan for roughly 03h 29m 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 01h 44m.
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 of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Allen and Houma.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Allen and Houma.
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1
Start on South Alexander Avenue
93 m · 11 sec · South Alexander Avenue
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2
Turn right onto Avenue A
16 m · 2 sec · Avenue A
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3
Turn left onto Dr Martin Luther King Jr Memorial Highway
1998 ft · 46 sec · Dr Martin Luther King Jr Memorial Highway
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4
Continue on Highway 1 South
12 mi · 18 min · Highway 1 South
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5
Turn slight right onto Eden Street
1.1 mi · 3 min · Eden Street
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6
Continue on Highway 1
16.4 mi · 19 min · Highway 1
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7
Turn sharp right
2088 ft · 38 sec
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8
Turn left
1.6 mi · 2 min
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9
Turn left
1.5 km · 2 min
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10
At the end of the road, turn right onto Highway 1 South
24.1 mi · 36 min · Highway 1 South
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11
Continue on Saint Mary Street
6.6 mi · 10 min · Saint Mary Street
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12
At the end of the road, turn right onto Jackson Street
2946 ft · 54 sec · Jackson Street
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13
Enter the roundabout and take exit 2 toward Canal Boulevard
42 m · 2 sec · Canal Boulevard
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14
Exit the roundabout onto Canal Boulevard
1.2 km · 1 min · Canal Boulevard
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15
Continue on Main Street
14.3 mi · 23 min · Main Street
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16
Turn right onto Lafayette Street
60 m · 10 sec · Lafayette Street
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17
Turn left onto School Street
1523 ft · 1 min · School Street
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18
Arrive at your destination
0 m · 1 sec · School Street
Car Route Details
A richer read on the saved driving route between Port Allen and Houma.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Highway 1 South
At the end of the road, turn right onto Highway 1 South
24.1 mi · 00h 36m
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.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Port Allen and Mostly Sunny then Slight Chance Showers And Thunderstorms near Houma.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Allen to Houma?
The road trip is about 81.8 miles (131.6 km) and usually takes 01h 44m 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?
Belle Rose is a useful midpoint, sitting about 39.8 miles from Port Allen and 42.1 miles from Houma.
How much longer is the road route than the straight-line distance?
The direct path is about 66.1 miles (106.3 km), while the road route adds roughly 15.7 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 3:00 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.94 one way or $21.89 round trip. Estimated CO2 is about 25.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Port Allen and Mostly Sunny then Slight Chance Showers And Thunderstorms near Houma.
Stop Ideas Near Belle Rose
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 Belle Rose.
Schriever
Baton Rouge, Louisiana
New Iberia
Hammond
Flight Path Map
This map shows the direct air route between Port Allen and Houma. Straight-line distance: 66.05 mi (106.29 km).
#1 Port Allen
City in Louisiana, United States of America
| Population | 4,720 |
| Coordinates | 30.4521400, -91.2101100 |
| Altitude | 8 |
| Country | United States |
#2 Houma
Only incorporated city and parish seat of Terrebonne Parish, Louisiana, United States
| Population | 32,467 |
| Coordinates | 29.5957700, -90.7195300 |
| Altitude | 3 |
| Country | United States |
End: School Street (-90.719517, 29.595846)
Estimated Travel Time
Distance: 132 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 43m |
| 40 mph (64.37 km/h) | 02h 02m |
| 50 mph (80.47 km/h) | 01h 38m |
| 60 mph (96.56 km/h) | 01h 21m |
| 70 mph (112.65 km/h) | 01h 10m |
| 80 mph (129 km/h) | 01h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.79 | $10.94 | $21.89 |
| Mid-grade | $4.26 | $12.31 | $24.62 |
| Premium | $4.63 | $13.37 | $26.73 |
| Diesel | $5.42 | $15.65 | $31.30 |
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.