How far is Southmayd, TX from Austin, TX?
The driving distance from Southmayd, TX to Austin, TX is about 264.1 miles (425.1 km), with a travel time of about 04h 25m by car.
- The straight-line flight distance is about 239.3 miles (385.1 km).
- For a round trip, plan for roughly 08h 50m 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 25m.
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 the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Southmayd and Austin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Southmayd and Austin.
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1
Start on Belknap Road
118 m · 19 sec · Belknap Road
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2
Turn left onto McElroy Street
1497 ft · 1 min · McElroy Street
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3
Turn left onto State Highway 56
4.1 mi · 5 min · State Highway 56
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4
Turn slight right
1986 ft · 1 min
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5
Turn straight onto State Highway 289
25.3 mi · 31 min · State Highway 289
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6
Continue on North Preston Road
3 mi · 4 min · North Preston Road
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7
Turn slight right onto US 380
1341 ft · 49 sec
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8
Keep slight right
71 m · 11 sec
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9
Turn right onto West University Drive
948 ft · 19 sec · West University Drive
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10
Keep slight left
1118 ft · 31 sec
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11
Merge slight left onto West University Drive
1025 ft · 15 sec · West University Drive
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12
Take the exit slight right toward Dallas North Tollway
921 ft · 18 sec
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13
Continue on West University Drive
1679 ft · 43 sec · West University Drive
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14
Turn left onto Dallas Parkway
2539 ft · 42 sec · Dallas Parkway
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15
Take the ramp slight left toward DNT Toll South
1016 ft · 25 sec
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16
Merge slight left onto Dallas North Tollway
29.6 mi · 33 min · Dallas North Tollway
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17
Keep slight right to continue on I 35E South
2277 ft · 49 sec
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18
Keep slight right to continue on I 35E South
100 m · 8 sec
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19
Turn straight onto North Stemmons Freeway
584 ft · 12 sec · North Stemmons Freeway
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20
Take the ramp slight left toward I 35E South
737 ft · 18 sec
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21
Merge slight left onto North Stemmons Freeway
1.8 mi · 2 min · North Stemmons Freeway
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22
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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23
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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24
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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25
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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26
Keep slight left
55.8 mi · 59 min
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27
Keep slight left to continue on Purple Heart Trail
2.4 mi · 3 min · Purple Heart Trail
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28
Take the exit slight right toward 8th–3rd Streets, Huston-Tillotson University
1096 ft · 27 sec
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29
Turn straight onto North Interstate 35
948 ft · 27 sec · North Interstate 35
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30
Turn right onto East 6th Street
2578 ft · 1 min · East 6th Street
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31
Turn left onto Congress Avenue
109 m · 18 sec · Congress Avenue
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32
Turn left onto East 5th Street
8 m · 1 sec · East 5th Street
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33
Arrive at your destination
0 m · 1 sec · East 5th Street
Car Route Details
A richer read on the saved driving route between Southmayd and Austin.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
South R L Thornton Freeway
Continue on South R L Thornton Freeway
89.3 mi · 01h 32m
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.
Patchy Fog leaving Southmayd 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 Southmayd to Austin?
The road trip is about 264.1 miles (425.1 km) and usually takes 04h 25m 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?
Hillsboro is a useful midpoint, sitting about 130.7 miles from Southmayd and 133.4 miles from Austin.
How much longer is the road route than the straight-line distance?
The direct path is about 239.3 miles (385.1 km), while the road route adds roughly 24.8 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 8:10 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.22 one way or $70.44 round trip. Estimated CO2 is about 82.8 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog around Southmayd and Chance Showers And Thunderstorms near Austin.
Stop Ideas Near Hillsboro
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Historic City Hall
Whitney City Hall
Town Hall Estates Nursing
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hillsboro.
Cleburne
Waco, TX
McGregor
Fort Worth Central Station
Flight Path Map
This map shows the direct air route between Southmayd and Austin. Straight-line distance: 239.28 mi (385.09 km).
#1 Southmayd
City in Grayson County, Texas, United States
| Population | 1,176 |
| Coordinates | 33.6303800, -96.7691600 |
| Altitude | 224 |
| 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: 425 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 48m |
| 40 mph (64.37 km/h) | 06h 36m |
| 50 mph (80.47 km/h) | 05h 16m |
| 60 mph (96.56 km/h) | 04h 24m |
| 70 mph (112.65 km/h) | 03h 46m |
| 80 mph (129 km/h) | 03h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $35.22 | $70.44 |
| Mid-grade | $4.25 | $39.63 | $79.26 |
| Premium | $4.59 | $42.79 | $85.58 |
| Diesel | $3.99 | $37.21 | $74.43 |
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.