How far is Houston, TX from Duncanville, TX?
The driving distance from Houston, TX to Duncanville, TX is about 240.4 miles (386.9 km), with a travel time of about 04h 16m by car.
- The straight-line flight distance is about 219.5 miles (353.2 km).
- For a round trip, plan for roughly 08h 33m 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 16m.
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 Houston and Duncanville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Duncanville.
-
1
Start on Louisiana Street
145 m · 20 sec · Louisiana Street
-
2
Turn right onto Franklin Street
664 ft · 28 sec · Franklin Street
-
3
Turn left onto Travis Street
1205 ft · 29 sec · Travis Street
-
4
Take the ramp straight toward I 45 North Express Lane
1.6 km · 2 min
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5
Merge slight left onto North Freeway
226.6 mi · 3 hr 57 min · North Freeway
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6
Take the exit slight right toward I 20 West: Fort Worth
1.5 km · 2 min
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7
Merge slight left onto Lyndon B Johnson Freeway
10.1 mi · 11 min · Lyndon B Johnson Freeway
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8
Take the exit slight right toward North Main, Duncanville Road
1302 ft · 32 sec
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9
Turn straight onto Thrush Avenue
928 ft · 25 sec · Thrush Avenue
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10
Turn left onto North Main Street
1.5 km · 3 min · North Main Street
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11
Turn left onto East Center Street
6 m · 6 sec · East Center Street
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12
Turn left
8 m · 2 sec
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13
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Houston and Duncanville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
North Freeway
Merge slight left onto North Freeway
227 mi · 03h 57m
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 Houston 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 Houston to Duncanville?
The road trip is about 240.4 miles (386.9 km) and usually takes 04h 16m 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?
Jewett is a useful midpoint, sitting about 120.4 miles from Houston and 120 miles from Duncanville.
How much longer is the road route than the straight-line distance?
The direct path is about 219.5 miles (353.2 km), while the road route adds roughly 20.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:26 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.08 one way or $64.17 round trip. Estimated CO2 is about 75.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Houston and Showers And Thunderstorms Likely near Duncanville.
Stop Ideas Near Jewett
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 Jewett.
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Flight Path Map
This map shows the direct air route between Houston and Duncanville. Straight-line distance: 219.46 mi (353.19 km).
#1 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| 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: 387 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 00m |
| 40 mph (64.37 km/h) | 06h 00m |
| 50 mph (80.47 km/h) | 04h 48m |
| 60 mph (96.56 km/h) | 04h 00m |
| 70 mph (112.65 km/h) | 03h 26m |
| 80 mph (129 km/h) | 02h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $32.08 | $64.17 |
| Mid-grade | $4.25 | $36.10 | $72.20 |
| Premium | $4.59 | $38.98 | $77.96 |
| Diesel | $3.99 | $33.90 | $67.80 |
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.