How far is Austin, TX from San Diego, TX?
The driving distance from Austin, TX to San Diego, TX is about 206.7 miles (332.7 km), with a travel time of about 03h 43m by car.
- The straight-line flight distance is about 175.5 miles (282.5 km).
- For a round trip, plan for roughly 07h 27m 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 43m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Human settlement in Atascosa County, Texas, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Austin and San Diego.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and San Diego.
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1
Start on East 5th Street
2551 ft · 1 min · East 5th Street
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2
At the end of the road, turn right onto North Interstate 35
1893 ft · 40 sec · North Interstate 35
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3
Take the ramp slight left toward I 35 South
899 ft · 22 sec
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4
Merge slight left onto Purple Heart Trail
46.4 mi · 50 min · Purple Heart Trail
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5
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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6
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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7
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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8
Keep slight right to continue on Connally Loop
11 mi · 12 min · Connally Loop
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9
Take the exit slight right toward I 37, US 281 North: San Antonio, Corpus Christi
1184 ft · 29 sec
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10
Keep slight left to continue on I 37 South: Corpus Christi
2457 ft · 1 min
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11
Merge slight left
60.5 mi · 1 hr 1 min
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12
Take the exit slight right toward US 281 South
15.2 mi · 19 min
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13
Keep slight left to continue on South Nueces Street
40 mi · 41 min · South Nueces Street
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14
Take the exit slight right toward TX 44, TX 359: Alice, San Diego
1833 ft · 49 sec
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15
Turn right
7.9 mi · 9 min
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16
Turn left onto South Doctor E.E. Dunlap Street
38 m · 10 sec · South Doctor E.E. Dunlap Street
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17
Take the ramp sharp left
11 m · 1 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Austin and San Diego.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 37 South
Merge slight left
60.5 mi · 01h 01m
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.
Chance Showers And Thunderstorms leaving Austin and Mostly Cloudy near San Diego.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to San Diego?
The road trip is about 206.7 miles (332.7 km) and usually takes 03h 43m 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?
Pleasanton is a useful midpoint, sitting about 103.6 miles from Austin and 103.1 miles from San Diego.
How much longer is the road route than the straight-line distance?
The direct path is about 175.5 miles (282.5 km), while the road route adds roughly 31.2 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 9:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.55 one way or $55.10 round trip. Estimated CO2 is about 64.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Austin and Mostly Cloudy near San Diego.
Stop Ideas Near Pleasanton
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 Pleasanton.
San Antonio Station
San Marcos Station
Flight Path Map
This map shows the direct air route between Austin and San Diego. Straight-line distance: 175.53 mi (282.49 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 San Diego
City in Duval County, Texas, United States
| Population | 4,188 |
| Coordinates | 27.7639100, -98.2389000 |
| Altitude | 94 |
| Country | United States |
End: San Diego (-98.2389, 27.76391)
Estimated Travel Time
Distance: 333 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 53m |
| 40 mph (64.37 km/h) | 05h 10m |
| 50 mph (80.47 km/h) | 04h 08m |
| 60 mph (96.56 km/h) | 03h 26m |
| 70 mph (112.65 km/h) | 02h 57m |
| 80 mph (129 km/h) | 02h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $27.55 | $55.10 |
| Mid-grade | $4.25 | $31.00 | $61.99 |
| Premium | $4.59 | $33.47 | $66.94 |
| Diesel | $3.99 | $29.11 | $58.22 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.