How far is Killeen, TX from Princeton, TX?
The driving distance from Killeen, TX to Princeton, TX is about 193.1 miles (310.7 km), with a travel time of about 03h 32m by car.
- The straight-line flight distance is about 159.6 miles (256.9 km).
- For a round trip, plan for roughly 07h 05m 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 32m.
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 the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Killeen and Princeton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Killeen and Princeton.
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1
Start on the route
23 m · 11 sec
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2
Turn left
25 m · 11 sec
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3
Turn left onto East Veterans Memorial Boulevard
5.1 mi · 9 min · East Veterans Memorial Boulevard
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4
Turn slight right onto Edwards Drive
2510 ft · 55 sec · Edwards Drive
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5
Take the ramp straight toward I 14 East, US 190 East
3164 ft · 1 min
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6
Merge slight left onto Central Texas Expressway
10.7 mi · 11 min · Central Texas Expressway
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7
Merge slight left onto Purple Heart Trail
37.8 mi · 39 min · Purple Heart Trail
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8
Continue on South Jack Kultgen Expressway
6.6 mi · 8 min · South Jack Kultgen Expressway
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9
Continue on Purple Heart Trail
33 mi · 33 min · Purple Heart Trail
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10
Keep slight right to continue on I 35E: Dallas
56.2 mi · 58 min
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11
Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
2094 ft · 42 sec
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12
Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana
129 m · 6 sec
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13
Keep slight right to continue on I 30 East: Texarkana, Convention Center
2206 ft · 33 sec
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14
Keep slight left to continue on I 30 East: Texarkana
117 m · 6 sec
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15
Continue on East R L Thornton Freeway
1.2 km · 1 min · East R L Thornton Freeway
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16
Take the exit slight right toward I 45, US 75: Houston, McKinney
2421 ft · 46 sec
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17
Keep slight left to continue on US 75 North: McKinney
2512 ft · 1 min
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18
Keep slight right to continue on US 75 North: McKinney, Bryan Street East
1697 ft · 27 sec
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19
Merge slight left onto Julius Schepps Freeway
1.2 km · 49 sec · Julius Schepps Freeway
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20
Continue on North Central Expressway
26.6 mi · 29 min · North Central Expressway
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21
Take the exit slight right toward SRT South, TX 5: Sam Rayburn Tollway
1776 ft · 22 sec
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22
Keep slight right
1.2 km · 1 min
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23
Merge slight left
1.5 km · 1 min
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24
Continue on South McDonald Street
1.4 mi · 2 min · South McDonald Street
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25
Turn right onto Elm Street
1.2 mi · 2 min · Elm Street
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26
At the end of the road, turn left onto South Airport Drive
1.4 km · 2 min · South Airport Drive
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27
Turn right onto East University Drive
3.3 mi · 4 min · East University Drive
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28
Continue on West Princeton Drive
2.8 mi · 4 min · West Princeton Drive
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29
Turn left onto North 2nd Street
2102 ft · 1 min · North 2nd Street
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30
Turn right onto North Front Street
132 m · 19 sec · North Front Street
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31
Arrive at your destination
0 m · 1 sec · North Front Street
Car Route Details
A richer read on the saved driving route between Killeen and Princeton.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
I 35E
Keep slight right to continue on I 35E: Dallas
56.2 mi · 00h 58m
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 Killeen and Slight Chance Showers And Thunderstorms near Princeton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Killeen to Princeton?
The road trip is about 193.1 miles (310.7 km) and usually takes 03h 32m 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 96.7 miles from Killeen and 96.4 miles from Princeton.
How much longer is the road route than the straight-line distance?
The direct path is about 159.6 miles (256.9 km), while the road route adds roughly 33.5 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 9:54 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.73 one way or $51.47 round trip. Estimated CO2 is about 60.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Killeen and Slight Chance Showers And Thunderstorms near Princeton.
Stop Ideas Near Hillsboro
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Historic City Hall
Milford City Hall, Police Station, Municipal Court
Town Hall Estates Hillsboro
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 Killeen and Princeton. Straight-line distance: 159.66 mi (256.95 km).
#1 Killeen
The 11th most populous city in Texas.
| Population | 153,991 |
| Coordinates | 31.1171200, -97.7278000 |
| Altitude | 252 |
| Country | United States |
#2 Princeton
City in Collin County, Texas, United States
| Population | 15,699 |
| Coordinates | 33.1801200, -96.4980400 |
| Altitude | 175 |
| Country | United States |
End: Princeton (-96.49804, 33.18012)
Estimated Travel Time
Distance: 311 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 25m |
| 40 mph (64.37 km/h) | 04h 49m |
| 50 mph (80.47 km/h) | 03h 51m |
| 60 mph (96.56 km/h) | 03h 13m |
| 70 mph (112.65 km/h) | 02h 45m |
| 80 mph (129 km/h) | 02h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $25.73 | $51.47 |
| Mid-grade | $4.25 | $28.96 | $57.91 |
| Premium | $4.59 | $31.26 | $62.53 |
| Diesel | $3.99 | $27.19 | $54.38 |
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.