How far is Austin, TX from Duncanville, TX?
The driving distance from Austin, TX to Duncanville, TX is about 190.6 miles (306.8 km), with a travel time of about 03h 23m by car.
- The straight-line flight distance is about 171.9 miles (276.7 km).
- For a round trip, plan for roughly 06h 46m 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 23m.
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 Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Austin and Duncanville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and Duncanville.
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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
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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
95.6 mi · 1 hr 40 min · Purple Heart Trail
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8
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
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9
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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10
Keep slight right to continue on I 35E: Dallas
47.3 mi · 49 min
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11
Take the exit slight right toward I 20 West: Fort Worth
1.5 km · 2 min
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12
Merge slight left onto Lyndon B Johnson Freeway
4.2 mi · 5 min · Lyndon B Johnson Freeway
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13
Take the exit slight right toward North Main, Duncanville Road
1302 ft · 32 sec
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14
Turn straight onto Thrush Avenue
928 ft · 25 sec · Thrush Avenue
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15
Turn left onto North Main Street
1.5 km · 3 min · North Main Street
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16
Turn left onto East Center Street
6 m · 6 sec · East Center Street
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17
Turn left
8 m · 2 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 Duncanville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Purple Heart Trail
Keep slight right to continue on Purple Heart Trail
95.6 mi · 01h 40m
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 Showers And Thunderstorms Likely near Duncanville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to Duncanville?
The road trip is about 190.6 miles (306.8 km) and usually takes 03h 23m 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?
Hewitt is a useful midpoint, sitting about 95.5 miles from Austin and 95.1 miles from Duncanville.
How much longer is the road route than the straight-line distance?
The direct path is about 171.9 miles (276.7 km), while the road route adds roughly 18.7 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 10:14 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.43 one way or $50.87 round trip. Estimated CO2 is about 59.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Austin and Showers And Thunderstorms Likely near Duncanville.
Stop Ideas Near Hewitt
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Riesel City Hall
Waco City Hall
Robinson City Police Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hewitt.
Waco, TX
McGregor
Temple
Killeen, Texas
Flight Path Map
This map shows the direct air route between Austin and Duncanville. Straight-line distance: 171.95 mi (276.73 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 Duncanville
City in Dallas County, Texas, in the United States
| Population | 38,189 |
| Coordinates | 32.6518000, -96.9083400 |
| Altitude | 221 |
| Country | United States |
End: Duncanville (-96.90834, 32.6518)
Estimated Travel Time
Distance: 307 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 21m |
| 40 mph (64.37 km/h) | 04h 45m |
| 50 mph (80.47 km/h) | 03h 48m |
| 60 mph (96.56 km/h) | 03h 10m |
| 70 mph (112.65 km/h) | 02h 43m |
| 80 mph (129 km/h) | 02h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $25.43 | $50.87 |
| Mid-grade | $4.25 | $28.62 | $57.23 |
| Premium | $4.59 | $30.90 | $61.79 |
| Diesel | $3.99 | $26.87 | $53.75 |
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 · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.