How far is Flower Mound, TX from Killeen, TX?
The driving distance from Flower Mound, TX to Killeen, TX is about 180.6 miles (290.7 km), with a travel time of about 03h 18m by car.
- The straight-line flight distance is about 136.2 miles (219.2 km).
- For a round trip, plan for roughly 06h 37m 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 18m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
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.
Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Flower Mound and Killeen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Flower Mound and Killeen.
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1
Start on Wanda Lane
67 m · 13 sec · Wanda Lane
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2
Turn left onto Lake Coves Drive
717 ft · 27 sec · Lake Coves Drive
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3
Turn right onto Hide-A-Way Lane
2413 ft · 1 min · Hide-A-Way Lane
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4
Turn right onto Simmons Road
892 ft · 30 sec · Simmons Road
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5
Turn left onto McKamy Creek Road
1.4 km · 2 min · McKamy Creek Road
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6
Turn right onto Flower Mound Road
1324 ft · 33 sec · Flower Mound Road
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7
Turn right onto Long Prairie Road
3.1 mi · 5 min · Long Prairie Road
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8
Continue on Grapevine Mills Parkway
2569 ft · 43 sec · Grapevine Mills Parkway
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9
Continue on Grapevine Mills Parkway
1.5 mi · 2 min · Grapevine Mills Parkway
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10
Keep slight right to continue on TX 121 South, TX 114: Fort Worth, Dallas Fort Worth International Airport, Dallas
2519 ft · 1 min
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11
Keep slight right to continue on TX 114 East: Dallas Fort Worth International Airport, Dallas
2804 ft · 1 min
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12
Continue on International Parkway
2280 ft · 39 sec · International Parkway
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13
Take the exit slight left toward Texas 114 East: Dallas
1.5 km · 2 min
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14
Merge slight left onto West John W Carpenter Freeway
3.9 mi · 4 min · West John W Carpenter Freeway
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15
Keep slight left to continue on SH 114 TEXpress
6.5 mi · 6 min · SH 114 TEXpress
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16
Merge slight right onto SH 183 TEXpress
1.5 mi · 1 min · SH 183 TEXpress
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17
Merge slight right onto John W Carpenter Freeway
1.3 km · 51 sec · John W Carpenter Freeway
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18
Merge slight left onto North Stemmons Freeway
5.6 mi · 7 min · North Stemmons Freeway
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19
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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20
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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21
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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22
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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23
Keep slight right to continue on Central Texas Expressway
13.1 mi · 14 min · Central Texas Expressway
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24
Take the exit slight right toward FM 3470: Rosewood Drive, Stan Schlueter Loop
1346 ft · 33 sec
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25
Turn straight onto West Central Texas Expressway
2.9 mi · 3 min · West Central Texas Expressway
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26
Turn right onto South W.S. Young Drive
1.3 mi · 3 min · South W.S. Young Drive
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27
Turn left onto East Veterans Memorial Boulevard
1 mi · 2 min · East Veterans Memorial Boulevard
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28
Turn right
25 m · 8 sec
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29
Turn right
23 m · 5 sec
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30
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Flower Mound 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
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.
Mostly Cloudy then Chance Showers And Thunderstorms leaving Flower Mound and Mostly Cloudy then 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 Flower Mound to Killeen?
The road trip is about 180.6 miles (290.7 km) and usually takes 03h 18m 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 90.4 miles from Flower Mound and 90.2 miles from Killeen.
How much longer is the road route than the straight-line distance?
The direct path is about 136.2 miles (219.2 km), while the road route adds roughly 44.4 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:22 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.07 one way or $48.14 round trip. Estimated CO2 is about 56.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around Flower Mound and Mostly Cloudy then Chance Showers And Thunderstorms near Killeen.
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 Flower Mound and Killeen. Straight-line distance: 136.2 mi (219.2 km).
#1 Flower Mound
Town of Texas, United States
| Population | 81,482 |
| Coordinates | 33.0145700, -97.0969600 |
| Altitude | 184 |
| 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: 291 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 01m |
| 40 mph (64.37 km/h) | 04h 30m |
| 50 mph (80.47 km/h) | 03h 36m |
| 60 mph (96.56 km/h) | 03h 00m |
| 70 mph (112.65 km/h) | 02h 34m |
| 80 mph (129 km/h) | 02h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $24.07 | $48.14 |
| Mid-grade | $4.25 | $27.09 | $54.17 |
| Premium | $4.59 | $29.24 | $58.49 |
| Diesel | $3.99 | $25.44 | $50.87 |
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 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.