How far is Austin, TX from Port Arthur, TX?
The driving distance from Austin, TX to Port Arthur, TX is about 250.5 miles (403.2 km), with a travel time of about 04h 40m by car.
- The straight-line flight distance is about 228.8 miles (368.2 km).
- For a round trip, plan for roughly 09h 20m 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 40m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Waller County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Austin and Port Arthur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and Port Arthur.
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1
Start on East 5th Street
1836 ft · 52 sec · East 5th Street
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2
Turn left onto Red River Street
711 ft · 20 sec · Red River Street
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3
Turn right onto East 7th Street
3 mi · 5 min · East 7th Street
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4
Turn straight onto Airport Boulevard
1279 ft · 20 sec · Airport Boulevard
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5
Continue on Ed Bluestein Boulevard
552 ft · 9 sec · Ed Bluestein Boulevard
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6
Take the ramp straight toward 183 Toll South: Lockhart
705 ft · 17 sec
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7
Merge slight left onto Bergstrom Expressway
1.3 km · 47 sec · Bergstrom Expressway
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8
Continue on Bastrop Highway
2119 ft · 26 sec · Bastrop Highway
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9
Take the exit slight left toward TX 71 East: Austin-Bergstrom International Airport
2541 ft · 1 min
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10
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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11
Turn straight onto Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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12
Continue on East State Highway 71
2388 ft · 29 sec · East State Highway 71
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13
Continue on Texas State Highway 71
137 mi · 2 hr 25 min · Texas State Highway 71
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14
Take the exit slight left toward I 10 Toll: Katy Tollway
1548 ft · 22 sec
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15
Merge slight left onto Katy Tollway
3.2 mi · 4 min · Katy Tollway
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16
Take the exit slight right
1092 ft · 15 sec
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17
Merge slight right onto Katy Freeway
10.9 mi · 14 min · Katy Freeway
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18
Continue on East Freeway
5.8 mi · 7 min · East Freeway
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19
Keep slight left to continue on East Freeway
13.4 mi · 16 min · East Freeway
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20
Keep slight left to continue on East Freeway
40 mi · 46 min · East Freeway
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21
Take the exit slight right toward TX 73, TX 124: Winnie, Port Arthur
2059 ft · 27 sec
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22
Keep slight left
24.5 mi · 26 min
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23
Take the exit slight right toward TX 73 East: Port Arthur, Groves
2.4 mi · 3 min
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24
Take the exit slight right toward Spur 215
597 ft · 15 sec
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25
Keep slight right to continue on Spur 215
60 m · 6 sec
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26
Turn straight onto Savannah Avenue
2 mi · 3 min · Savannah Avenue
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27
Turn right onto 17th Street
113 m · 16 sec · 17th Street
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28
Turn left onto Augusta Avenue
49 m · 5 sec · Augusta Avenue
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29
Arrive at your destination
0 m · 1 sec · Augusta Avenue
Car Route Details
A richer read on the saved driving route between Austin and Port Arthur.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Texas State Highway 71
Continue on Texas State Highway 71
137 mi · 02h 25m
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 Cloudy leaving Austin and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Port Arthur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to Port Arthur?
The road trip is about 250.5 miles (403.2 km) and usually takes 04h 40m 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?
Brookshire is a useful midpoint, sitting about 125.1 miles from Austin and 125.4 miles from Port Arthur.
How much longer is the road route than the straight-line distance?
The direct path is about 228.8 miles (368.2 km), while the road route adds roughly 21.7 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:40 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.41 one way or $66.81 round trip. Estimated CO2 is about 78.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Austin and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Port Arthur.
Stop Ideas Near Brookshire
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Katy Visitors Center
Sealy City Hall
Orchard Community Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Brookshire.
Prairie View, TX
Houston
Houston, TX
Bryan, TX
Flight Path Map
This map shows the direct air route between Austin and Port Arthur. Straight-line distance: 228.76 mi (368.16 km).
#1 Austin
The eleventh most populous city in the United States and the center of the Austin metropolitan area.
| Population | 995,484 |
| Coordinates | 30.2671500, -97.7430600 |
| Altitude | 149 |
| Country | United States |
#2 Port Arthur
The most populous city in Jefferson County, Texas.
| Population | 53,921 |
| Coordinates | 29.8851900, -93.9423300 |
| Altitude | 2 |
| Country | United States |
End: Port Arthur (-93.94233, 29.88519)
Estimated Travel Time
Distance: 403 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 20m |
| 40 mph (64.37 km/h) | 06h 15m |
| 50 mph (80.47 km/h) | 05h 00m |
| 60 mph (96.56 km/h) | 04h 10m |
| 70 mph (112.65 km/h) | 03h 34m |
| 80 mph (129 km/h) | 03h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $33.41 | $66.81 |
| Mid-grade | $4.25 | $37.59 | $75.18 |
| Premium | $4.59 | $40.58 | $81.17 |
| Diesel | $3.99 | $35.30 | $70.60 |
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 Texas · 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.