How far is Austin, TX from Porter Heights, TX?
The driving distance from Austin, TX to Porter Heights, TX is about 167.3 miles (269.3 km), with a travel time of about 03h 15m by car.
- The straight-line flight distance is about 144.8 miles (233 km).
- For a round trip, plan for roughly 06h 30m 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 03h 15m.
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 Texas
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Austin and Porter Heights.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and Porter Heights.
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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
757 ft · 17 sec · East 7th Street
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4
Turn left onto North Interstate 35
928 ft · 27 sec · North Interstate 35
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5
Take the ramp slight left toward I 35 North, US 290 East
906 ft · 22 sec
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6
Merge slight left onto Purple Heart Trail
2985 ft · 42 sec · Purple Heart Trail
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7
Keep slight right to continue on Purple Heart Trail
2.9 mi · 4 min · Purple Heart Trail
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8
Take the exit slight right toward US 290 East: Houston
2.5 mi · 4 min
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9
Continue on Manor Expressway
6.2 mi · 6 min · Manor Expressway
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10
Continue on East US Highway 290
41.5 mi · 48 min · East US Highway 290
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11
Continue on West Austin Street
32.9 mi · 37 min · West Austin Street
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12
Take the exit slight right toward US 290 East, TX 36 South: Houston, Bellville
1393 ft · 38 sec
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13
Merge slight left onto US Highway 290 West
41.8 mi · 47 min · US Highway 290 West
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14
Take the exit slight right toward TX 99 Toll North, TX 99 Toll South: Grand Parkway
2269 ft · 48 sec
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15
Keep slight left to continue on TX 99 Toll North: Grand Parkway
3125 ft · 1 min
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16
Merge slight left onto North Grand Parkway West
33 mi · 35 min · North Grand Parkway West
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17
Take the exit slight right toward FM 1314: Porter, Conroe
2209 ft · 56 sec
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18
Turn sharp left onto FM 1314
2 mi · 4 min · FM 1314
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19
Turn left onto Porter Lane
1.2 km · 2 min · Porter Lane
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20
Turn left
2520 ft · 2 min
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Austin and Porter Heights.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US Highway 290 West
Merge slight left onto US Highway 290 West
41.8 mi · 00h 47m
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 Chance Showers And Thunderstorms near Porter Heights.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to Porter Heights?
The road trip is about 167.3 miles (269.3 km) and usually takes 03h 15m 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?
Brenham is a useful midpoint, sitting about 83.6 miles from Austin and 83.8 miles from Porter Heights.
How much longer is the road route than the straight-line distance?
The direct path is about 144.8 miles (233 km), while the road route adds roughly 22.5 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 10:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.30 one way or $44.59 round trip. Estimated CO2 is about 52.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Austin and Chance Showers And Thunderstorms near Porter Heights.
Stop Ideas Near Brenham
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 Brenham.
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Houston
Flight Path Map
This map shows the direct air route between Austin and Porter Heights. Straight-line distance: 144.79 mi (233.01 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 Porter Heights
Census designated place
| Population | 1,653 |
| Coordinates | 30.1518800, -95.3218800 |
| Altitude | 38 |
| Country | United States |
End: Porter Heights (-95.32188, 30.15188)
Estimated Travel Time
Distance: 269 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 34m |
| 40 mph (64.37 km/h) | 04h 11m |
| 50 mph (80.47 km/h) | 03h 20m |
| 60 mph (96.56 km/h) | 02h 47m |
| 70 mph (112.65 km/h) | 02h 23m |
| 80 mph (129 km/h) | 02h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $22.30 | $44.59 |
| Mid-grade | $4.25 | $25.09 | $50.17 |
| Premium | $4.59 | $27.09 | $54.17 |
| Diesel | $3.99 | $23.56 | $47.12 |
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.