How far is Grand Prairie, TX from Duncanville, TX?
The driving distance from Grand Prairie, TX to Duncanville, TX is about 11.2 miles (18.1 km), with a travel time of about 00h 19m by car.
- The straight-line flight distance is about 8.3 miles (13.4 km).
- For a round trip, plan for roughly 00h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 19m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 in Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Grand Prairie and Duncanville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Grand Prairie and Duncanville.
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1
Start on the route
67 m · 22 sec
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2
Turn left onto Northeast 5th Street
58 m · 14 sec · Northeast 5th Street
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3
Turn left onto East Main Street
1069 ft · 27 sec · East Main Street
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4
Turn right onto South Belt Line Road
5.4 mi · 10 min · South Belt Line Road
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5
Take the ramp left toward I 20 East
1720 ft · 42 sec
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6
Merge slight left onto Lyndon B Johnson Freeway
3.9 mi · 4 min · Lyndon B Johnson Freeway
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7
Take the exit slight right toward Duncanville Road, North Main Street
1881 ft · 48 sec
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8
Continue on West Interstate 20
768 ft · 21 sec · West Interstate 20
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9
Turn right onto North Main Street
1.4 km · 2 min · North Main Street
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10
Turn left onto East Center Street
6 m · 6 sec · East Center Street
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11
Turn left
8 m · 2 sec
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12
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Grand Prairie and Duncanville.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
South Belt Line Road
Turn right onto South Belt Line Road
5.35 mi · 00h 10m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms Likely leaving Grand Prairie 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 Grand Prairie to Duncanville?
The road trip is about 11.2 miles (18.1 km) and usually takes 00h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Lakeview is a useful midpoint, sitting about 5.6 miles from Grand Prairie and 5.6 miles from Duncanville.
How much longer is the road route than the straight-line distance?
The direct path is about 8.3 miles (13.4 km), while the road route adds roughly 2.9 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:52 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.51 one way or $3.02 round trip. Estimated CO2 is about 3.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Grand Prairie and Showers And Thunderstorms Likely near Duncanville.
Stop Ideas Near Lakeview
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Anju
Dallas Environmental Quality
Dallas City Hall
City Hall Bistro
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lakeview.
Union Station
Dallas, TX
Fort Worth Central Station
Mesquite, TX
Flight Path Map
This map shows the direct air route between Grand Prairie and Duncanville. Straight-line distance: 8.33 mi (13.4 km).
#1 Grand Prairie
The ninth most populous city in Texas.
| Population | 195,272 |
| Coordinates | 32.7459600, -96.9977800 |
| Altitude | 157 |
| 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: 18 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 22m |
| 40 mph (64.37 km/h) | 00h 16m |
| 50 mph (80.47 km/h) | 00h 13m |
| 60 mph (96.56 km/h) | 00h 11m |
| 70 mph (112.65 km/h) | 00h 09m |
| 80 mph (129 km/h) | 00h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $1.51 | $3.02 |
| Mid-grade | $4.25 | $1.70 | $3.40 |
| Premium | $4.59 | $1.84 | $3.67 |
| Diesel | $3.99 | $1.60 | $3.19 |
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.