How far is Sweetwater, TX from Austin, TX?
The driving distance from Sweetwater, TX to Austin, TX is about 252.2 miles (405.8 km), with a travel time of about 04h 09m by car.
- The straight-line flight distance is about 218.8 miles (352.1 km).
- For a round trip, plan for roughly 08h 18m 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 09m.
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 Sunny
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Sweetwater and Austin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sweetwater and Austin.
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1
Start on Lamar Street
32 m · 9 sec · Lamar Street
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2
Turn left onto East Broadway Street
117 m · 14 sec · East Broadway Street
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3
Turn left onto Lamar Street
2.3 mi · 4 min · Lamar Street
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4
Continue on State Highway 70
10.4 mi · 11 min · State Highway 70
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5
Turn left onto State Highway 153
69 mi · 1 hr 14 min · State Highway 153
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6
Continue on West Walnut Street
1.6 km · 2 min · West Walnut Street
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7
Continue on East Walnut Street
1.5 km · 1 min · East Walnut Street
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8
At the end of the road, turn left
9.4 mi · 11 min
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9
Continue straight
21.5 mi · 25 min
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10
Turn right onto Garmon Drive
1.3 mi · 1 min · Garmon Drive
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11
Continue on US Highway 84 East
29.2 mi · 33 min · US Highway 84 East
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12
Turn right
22.2 mi · 25 min
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13
Continue straight
14.8 mi · 15 min
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14
Merge slight left onto North US Highway 281
79 m · 4 sec · North US Highway 281
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15
Continue on North Key Avenue
2.3 mi · 5 min · North Key Avenue
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16
Continue on South US Highway 183
35.3 mi · 38 min · South US Highway 183
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17
Continue straight
2151 ft · 30 sec
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18
Keep slight left to continue on 183A Toll Road
14.3 mi · 14 min · 183A Toll Road
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19
Continue straight
7.5 mi · 9 min
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20
Take the exit slight right toward Loop 1: Mopac Boulevard
2127 ft · 52 sec
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21
Keep slight right to continue on Loop 1 South: Mopac Boulevard South
2119 ft · 52 sec
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22
Merge slight left onto North Mopac Expressway
2.4 mi · 3 min · North Mopac Expressway
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23
Take the exit slight left toward Express 1 Toll
129 m · 10 sec
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24
Merge slight left
3.9 mi · 4 min
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25
Take the exit slight right
1.1 km · 1 min
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26
Keep slight left to continue on West 5th Street
1602 ft · 39 sec
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27
Turn straight onto West 5th Street
1.5 mi · 3 min · West 5th Street
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28
Arrive at your destination
0 m · 1 sec · East 5th Street
Car Route Details
A richer read on the saved driving route between Sweetwater 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.
State Highway 153
Turn left onto 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 Sunny leaving Sweetwater 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 Sweetwater to Austin?
The road trip is about 252.2 miles (405.8 km) and usually takes 04h 09m 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 125.8 miles from Sweetwater and 126.4 miles from Austin.
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 8:42 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 Sunny around Sweetwater and Chance Showers And Thunderstorms near Austin.
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 Sweetwater and Austin. Straight-line distance: 218.76 mi (352.06 km).
#1 Sweetwater
City in Texas, United States
| Population | 10,535 |
| Coordinates | 32.4709500, -100.4059400 |
| Altitude | 661 |
| 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: 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.