How far is Prosper, TX from Killeen, TX?
The driving distance from Prosper, TX to Killeen, TX is about 188.1 miles (302.7 km), with a travel time of about 03h 23m by car.
- The straight-line flight distance is about 156.2 miles (251.3 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.
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 Prosper and Killeen.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prosper and Killeen.
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1
Start on East Broadway Street
70 m · 11 sec · East Broadway Street
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2
Turn left onto South Coleman Street
925 ft · 24 sec · South Coleman Street
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3
Turn right onto West First Street
1.1 mi · 2 min · West First Street
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4
Turn left onto South Dallas Parkway
2740 ft · 47 sec · South Dallas Parkway
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5
Take the ramp slight left
2429 ft · 59 sec
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6
Continue on Dallas North Tollway
30.3 mi · 34 min · Dallas North Tollway
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7
Keep slight right to continue on I 35E South
2277 ft · 49 sec
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8
Keep slight right to continue on I 35E South
100 m · 8 sec
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9
Turn straight onto North Stemmons Freeway
584 ft · 12 sec · North Stemmons Freeway
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10
Take the ramp slight left toward I 35E South
737 ft · 18 sec
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11
Merge slight left onto North Stemmons Freeway
1.8 mi · 2 min · North Stemmons Freeway
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12
Continue on South R L Thornton Freeway
2866 ft · 44 sec · South R L Thornton Freeway
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13
Continue on South R L Thornton Freeway
89.3 mi · 1 hr 32 min · South R L Thornton Freeway
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14
Continue on North Jack Kultgen Expressway
6.6 mi · 8 min · North Jack Kultgen Expressway
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15
Continue on Purple Heart Trail
37.9 mi · 39 min · Purple Heart Trail
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16
Keep slight right to continue on Central Texas Expressway
13.1 mi · 14 min · Central Texas Expressway
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17
Take the exit slight right toward FM 3470: Rosewood Drive, Stan Schlueter Loop
1346 ft · 33 sec
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18
Turn straight onto West Central Texas Expressway
2.9 mi · 3 min · West Central Texas Expressway
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19
Turn right onto South W.S. Young Drive
1.3 mi · 3 min · South W.S. Young Drive
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20
Turn left onto East Veterans Memorial Boulevard
1 mi · 2 min · East Veterans Memorial Boulevard
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21
Turn right
25 m · 8 sec
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22
Turn right
23 m · 5 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Prosper 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.
Slight Chance Showers And Thunderstorms leaving Prosper 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 Prosper to Killeen?
The road trip is about 188.1 miles (302.7 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?
Hillsboro is a useful midpoint, sitting about 94.2 miles from Prosper and 93.9 miles from Killeen.
How much longer is the road route than the straight-line distance?
The direct path is about 156.2 miles (251.3 km), while the road route adds roughly 31.9 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 10:14 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.09 one way or $50.19 round trip. Estimated CO2 is about 59 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms around Prosper and 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 Prosper and Killeen. Straight-line distance: 156.12 mi (251.25 km).
#1 Prosper
Suburban town located in Collin and Denton counties, Texas
| Population | 26,957 |
| Coordinates | 33.2362300, -96.8011100 |
| Altitude | 208 |
| 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: 303 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 16m |
| 40 mph (64.37 km/h) | 04h 42m |
| 50 mph (80.47 km/h) | 03h 45m |
| 60 mph (96.56 km/h) | 03h 08m |
| 70 mph (112.65 km/h) | 02h 41m |
| 80 mph (129 km/h) | 02h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $25.09 | $50.19 |
| Mid-grade | $4.25 | $28.23 | $56.47 |
| Premium | $4.59 | $30.48 | $60.97 |
| Diesel | $3.99 | $26.51 | $53.03 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.