How far is Austin, TX from Sweetwater, TX?
The driving distance from Austin, TX to Sweetwater, TX is about 252.2 miles (405.9 km), with a travel time of about 04h 43m by car.
- The straight-line flight distance is about 218.8 miles (352.1 km).
- For a round trip, plan for roughly 09h 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 04h 43m.
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.
Town of the United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Sunny
Driving Route Map
The map below follows the saved road route between Austin and Sweetwater.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and Sweetwater.
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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
-
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
4 mi · 5 min · Purple Heart Trail
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8
Take the exit slight right toward US 183 North: Lampasas
1.4 km · 2 min
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9
Merge slight left
11.3 mi · 13 min
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10
Continue straight
14.6 mi · 15 min
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11
Continue on North US Highway 183
35.7 mi · 39 min · North US Highway 183
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12
Continue on South Key Avenue
2.3 mi · 5 min · South Key Avenue
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13
Continue on North US Highway 281
965 ft · 15 sec · North US Highway 281
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14
Keep slight left to continue on North US Highway 183
36.9 mi · 40 min · North US Highway 183
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15
At the end of the road, turn left
30.4 mi · 35 min
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16
Turn left onto Early Boulevard
1.7 mi · 2 min · Early Boulevard
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17
Continue on East Commerce Street
22 mi · 25 min · East Commerce Street
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18
Keep slight right to continue on Wallis Avenue
7.2 mi · 8 min · Wallis Avenue
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19
Turn right onto East Walnut Street
1.5 km · 1 min · East Walnut Street
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20
Continue on West Walnut Street
1 mi · 2 min · West Walnut Street
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21
Continue on State Highway 153
69 mi · 1 hr 14 min · State Highway 153
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22
Keep slight right to continue on State Highway 153
6 m · 1 sec · State Highway 153
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23
Turn right onto State Highway 70
10.4 mi · 11 min · State Highway 70
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24
Continue on Lamar Street
2.3 mi · 4 min · Lamar Street
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25
Arrive at your destination
0 m · 1 sec · Lamar Street
Car Route Details
A richer read on the saved driving route between Austin and Sweetwater.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Highway 153
Continue on State Highway 153
69 mi · 01h 14m
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 Partly Sunny near Sweetwater.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to Sweetwater?
The road trip is about 252.2 miles (405.9 km) and usually takes 04h 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?
Mullin is a useful midpoint, sitting about 126.1 miles from Austin and 126.1 miles from Sweetwater.
How much longer is the road route than the straight-line distance?
The direct path is about 218.8 miles (352.1 km), while the road route adds roughly 33.4 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 7:32 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.63 one way or $67.27 round trip. Estimated CO2 is about 79.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Austin and Partly Sunny near Sweetwater.
Stop Ideas Near Mullin
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 Mullin.
Fort Hood, Texas
Killeen, Texas
Flight Path Map
This map shows the direct air route between Austin and Sweetwater. Straight-line distance: 218.76 mi (352.06 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 Sweetwater
City in Texas, United States
| Population | 10,535 |
| Coordinates | 32.4709500, -100.4059400 |
| Altitude | 661 |
| Country | United States |
End: Sweetwater (-100.40594, 32.47095)
Estimated Travel Time
Distance: 406 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 24m |
| 40 mph (64.37 km/h) | 06h 18m |
| 50 mph (80.47 km/h) | 05h 02m |
| 60 mph (96.56 km/h) | 04h 12m |
| 70 mph (112.65 km/h) | 03h 36m |
| 80 mph (129 km/h) | 03h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $33.63 | $67.27 |
| Mid-grade | $4.25 | $37.84 | $75.69 |
| Premium | $4.59 | $40.86 | $81.72 |
| Diesel | $3.99 | $35.54 | $71.08 |
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.