How far is San Leon, TX from Austin, TX?
The driving distance from San Leon, TX to Austin, TX is about 204.9 miles (329.7 km), with a travel time of about 03h 29m by car.
- The straight-line flight distance is about 177.5 miles (285.6 km).
- For a round trip, plan for roughly 06h 58m 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 29m.
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 Polk County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Leon and Austin.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Leon and Austin.
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1
Start on Avenue I
50 m · 9 sec · Avenue I
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2
Continue straight
8.7 mi · 14 min
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3
Turn left onto Parke Street
1677 ft · 29 sec · Parke Street
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4
Turn straight onto Main Street
136 m · 10 sec · Main Street
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5
Continue on Pine Street
1717 ft · 31 sec · Pine Street
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6
Continue on Pine Drive
1.4 mi · 2 min · Pine Drive
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7
Turn right onto Gulf Freeway Frontage Road
1.5 km · 2 min · Gulf Freeway Frontage Road
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8
Take the ramp slight left toward I 45 North
1035 ft · 25 sec
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9
Merge slight left onto South Gulf Freeway
28.3 mi · 33 min · South Gulf Freeway
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10
Take the exit slight left toward I 10 West: San Antonio
717 ft · 18 sec
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11
Merge slight left onto Katy Freeway
73.8 mi · 1 hr 21 min · Katy Freeway
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12
Take the exit slight right toward TX 71 West: La Grange, Austin
2832 ft · 33 sec
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13
Keep slight left
77.2 mi · 1 hr 22 min
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14
Continue on Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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15
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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16
Take the exit slight right toward US 183 North, 183 Toll North: Lampasas
2773 ft · 1 min
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17
Merge slight left onto Bastrop Highway
2088 ft · 27 sec · Bastrop Highway
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18
Continue on Bergstrom Expressway
1.1 km · 41 sec · Bergstrom Expressway
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19
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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20
Keep slight left to continue on East 7th Street
2.8 mi · 5 min · East 7th Street
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21
Turn left onto Brushy Street
107 m · 18 sec · Brushy Street
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22
Turn right onto East 6th Street
3066 ft · 1 min · East 6th Street
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23
Turn left onto Congress Avenue
109 m · 18 sec · Congress Avenue
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24
Turn left onto East 5th Street
8 m · 1 sec · East 5th Street
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25
Arrive at your destination
0 m · 1 sec · East 5th Street
Car Route Details
A richer read on the saved driving route between San Leon and Austin.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
TX 71 West
Keep slight left
77.2 mi · 01h 22m
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 then Chance Showers And Thunderstorms leaving San Leon and Chance Showers And Thunderstorms near Austin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Leon to Austin?
The road trip is about 204.9 miles (329.7 km) and usually takes 03h 29m 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?
Eagle Lake is a useful midpoint, sitting about 100.8 miles from San Leon and 104.1 miles from Austin.
How much longer is the road route than the straight-line distance?
The direct path is about 177.5 miles (285.6 km), while the road route adds roughly 27.4 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 10:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.32 one way or $54.64 round trip. Estimated CO2 is about 64.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around San Leon and Chance Showers And Thunderstorms near Austin.
Stop Ideas Near Eagle Lake
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 Eagle Lake.
Prairie View, TX
Houston
Houston, TX
Flight Path Map
This map shows the direct air route between San Leon and Austin. Straight-line distance: 177.46 mi (285.6 km).
#1 San Leon
Census designated place
| Population | 4,970 |
| Coordinates | 29.4832900, -94.9221500 |
| Altitude | 3 |
| 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: 330 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 49m |
| 40 mph (64.37 km/h) | 05h 07m |
| 50 mph (80.47 km/h) | 04h 05m |
| 60 mph (96.56 km/h) | 03h 24m |
| 70 mph (112.65 km/h) | 02h 55m |
| 80 mph (129 km/h) | 02h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $27.32 | $54.64 |
| Mid-grade | $4.25 | $30.74 | $61.48 |
| Premium | $4.59 | $33.19 | $66.39 |
| Diesel | $3.99 | $28.87 | $57.74 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.