How far is Port Neches, TX from Austin, TX?
The driving distance from Port Neches, TX to Austin, TX is about 258.2 miles (415.6 km), with a travel time of about 04h 00m by car.
- The straight-line flight distance is about 226.9 miles (365.2 km).
- For a round trip, plan for roughly 08h 01m 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 00m.
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 Sunny
Driving Route Map
The map below follows the saved road route between Port Neches and Austin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Neches and Austin.
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1
Start on Nall Street
2.2 mi · 4 min · Nall Street
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2
Continue on FM 365
5 mi · 8 min · FM 365
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3
Turn left onto Jade Avenue
1.8 mi · 4 min · Jade Avenue
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4
Turn right onto H O Mills Highway
19.8 mi · 20 min · H O Mills Highway
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5
Turn straight
3.3 mi · 4 min
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6
Merge slight left
133.2 mi · 2 hr 31 min
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7
Take the exit slight right toward TX 71 West: La Grange, Austin
2832 ft · 33 sec
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8
Keep slight left
77.2 mi · 1 hr 22 min
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9
Continue on Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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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
Take the exit slight right toward US 183 North, 183 Toll North: Lampasas
2773 ft · 1 min
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12
Merge slight left onto Bastrop Highway
2088 ft · 27 sec · Bastrop Highway
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13
Continue on Bergstrom Expressway
1.1 km · 41 sec · Bergstrom Expressway
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14
Take the exit slight right toward Loop 111: Cesar Chavez Street, 5th Street, 6th Street, 7th Street, Airport Boulevard
2724 ft · 54 sec
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15
Keep slight left to continue on East 7th Street
2.8 mi · 5 min · East 7th Street
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16
Turn left onto Brushy Street
107 m · 18 sec · Brushy Street
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17
Turn right onto East 6th Street
3066 ft · 1 min · East 6th Street
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18
Turn left onto Congress Avenue
109 m · 18 sec · Congress Avenue
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19
Turn left onto East 5th Street
8 m · 1 sec · East 5th Street
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20
Arrive at your destination
0 m · 1 sec · East 5th Street
Car Route Details
A richer read on the saved driving route between Port Neches and Austin.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
H O Mills Highway
Merge slight left
133 mi · 02h 31m
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 Port Neches and Sunny near Austin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Port Neches to Austin?
The road trip is about 258.2 miles (415.6 km) and usually takes 04h 00m 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 126.1 miles from Port Neches and 132.1 miles from Austin.
How much longer is the road route than the straight-line distance?
The direct path is about 226.9 miles (365.2 km), while the road route adds roughly 31.3 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 8:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $34.43 one way or $68.85 round trip. Estimated CO2 is about 81 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Port Neches and Sunny near Austin.
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 Port Neches and Austin. Straight-line distance: 226.95 mi (365.24 km).
#1 Port Neches
City in Jefferson County, Texas, United States
| Population | 12,596 |
| Coordinates | 29.9913200, -93.9585100 |
| Altitude | 5 |
| Country | United States |
#2 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 |
End: East 5th Street (-97.743073, 30.267115)
Estimated Travel Time
Distance: 416 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 36m |
| 40 mph (64.37 km/h) | 06h 27m |
| 50 mph (80.47 km/h) | 05h 09m |
| 60 mph (96.56 km/h) | 04h 18m |
| 70 mph (112.65 km/h) | 03h 41m |
| 80 mph (129 km/h) | 03h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $34.43 | $68.85 |
| Mid-grade | $4.25 | $38.74 | $77.47 |
| Premium | $4.59 | $41.82 | $83.65 |
| Diesel | $3.99 | $36.38 | $72.75 |
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 · May 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.