How far is Duncanville, TX from Killeen, TX?
The driving distance from Duncanville, TX to Killeen, TX is about 149.8 miles (241.1 km), with a travel time of about 02h 39m by car.
- The straight-line flight distance is about 116.4 miles (187.4 km).
- For a round trip, plan for roughly 05h 19m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 39m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 McLennan County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Duncanville and Killeen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Duncanville and Killeen.
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1
Start on the route
8 m · 4 sec
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2
Turn right onto East Center Street
6 m · 5 sec · East Center Street
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3
Turn right onto North Main Street
1.4 km · 2 min · North Main Street
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4
Turn right onto East Interstate 20
29 m · 2 sec · East Interstate 20
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5
Take the ramp slight left toward I 20 East
1469 ft · 36 sec
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6
Merge slight left onto Lyndon B Johnson Freeway
4.6 mi · 5 min · Lyndon B Johnson Freeway
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7
Take the exit slight right toward I 35E South: Waco
2016 ft · 45 sec
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8
Merge slight left onto South R L Thornton Freeway
80.5 mi · 1 hr 22 min · South R L Thornton Freeway
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9
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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10
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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11
Keep slight right to continue on Central Texas Expressway
13.1 mi · 14 min · Central Texas Expressway
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12
Take the exit slight right toward FM 3470: Rosewood Drive, Stan Schlueter Loop
1346 ft · 33 sec
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13
Turn straight onto West Central Texas Expressway
2.9 mi · 3 min · West Central Texas Expressway
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14
Turn right onto South W.S. Young Drive
1.3 mi · 3 min · South W.S. Young Drive
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15
Turn left onto East Veterans Memorial Boulevard
1 mi · 2 min · East Veterans Memorial Boulevard
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16
Turn right
25 m · 8 sec
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17
Turn right
23 m · 5 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 Duncanville and Killeen.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
South R L Thornton Freeway
Merge slight left onto South R L Thornton Freeway
80.5 mi · 01h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Slight Chance Showers And Thunderstorms leaving Duncanville and Chance Showers And Thunderstorms near Killeen.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Duncanville to Killeen?
The road trip is about 149.8 miles (241.1 km) and usually takes 02h 39m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Ross is a useful midpoint, sitting about 75 miles from Duncanville and 74.8 miles from Killeen.
How much longer is the road route than the straight-line distance?
The direct path is about 116.4 miles (187.4 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:10 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.99 one way or $39.98 round trip. Estimated CO2 is about 47 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Duncanville and Chance Showers And Thunderstorms near Killeen.
Stop Ideas Near Ross
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 Ross.
Waco, TX
McGregor
Temple
Cleburne
Flight Path Map
This map shows the direct air route between Duncanville and Killeen. Straight-line distance: 116.43 mi (187.37 km).
#1 Duncanville
City in Dallas County, Texas, in the United States
| Population | 38,189 |
| Coordinates | 32.6518000, -96.9083400 |
| Altitude | 221 |
| Country | United States |
#2 Killeen
The 11th most populous city in Texas.
| Population | 153,991 |
| Coordinates | 31.1171200, -97.7278000 |
| Altitude | 252 |
| Country | United States |
End: Killeen (-97.7278, 31.11712)
Estimated Travel Time
Distance: 241 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 59m |
| 40 mph (64.37 km/h) | 03h 44m |
| 50 mph (80.47 km/h) | 02h 59m |
| 60 mph (96.56 km/h) | 02h 29m |
| 70 mph (112.65 km/h) | 02h 08m |
| 80 mph (129 km/h) | 01h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $19.99 | $39.98 |
| Mid-grade | $4.25 | $22.49 | $44.99 |
| Premium | $4.59 | $24.29 | $48.57 |
| Diesel | $3.99 | $21.12 | $42.25 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.