How far is Killeen, TX from Katy, TX?
The driving distance from Killeen, TX to Katy, TX is about 197.7 miles (318.2 km), with a travel time of about 03h 29m by car.
- The straight-line flight distance is about 146 miles (234.9 km).
- For a round trip, plan for roughly 06h 58m 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 29m.
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.
Mostly Cloudy
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Killeen and Katy.
Turn-by-Turn Driving Directions
Step-by-step road directions between Killeen and Katy.
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1
Start on the route
23 m · 11 sec
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2
Turn left
25 m · 8 sec
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3
Turn right onto East Veterans Memorial Boulevard
1.5 km · 2 min · East Veterans Memorial Boulevard
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4
Turn left onto South Fort Hood Street
33.8 mi · 38 min · South Fort Hood Street
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5
Take the exit slight right
999 ft · 17 sec
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6
Continue on North Interstate 35
1035 ft · 16 sec · North Interstate 35
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7
Take the ramp straight toward TX 130 Toll South: San Antonio
858 ft · 21 sec
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8
Continue straight
37 mi · 35 min
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9
Take the exit slight right toward TX 71: Austin, Houston, Barbara Jordan Terminal, Austin–Bergstrom International Airport
1651 ft · 40 sec
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10
Turn straight onto State Highway 130
3226 ft · 2 min · State Highway 130
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11
Turn left onto East State Highway 71
126 m · 7 sec · East State Highway 71
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12
Take the ramp straight toward TX 71 East: Houston
1.2 km · 48 sec · East State Highway 71
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13
Continue on Texas State Highway 71
122.3 mi · 2 hr 8 min · Texas State Highway 71
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14
Take the exit slight right toward FM 1463
1076 ft · 26 sec
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15
Turn straight onto Katy Freeway Frontage Road
570 ft · 14 sec · Katy Freeway Frontage Road
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16
Turn left onto FM 1463
1.1 km · 1 min · FM 1463
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17
Turn right onto Highway Boulevard
1944 ft · 35 sec · Highway Boulevard
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18
Arrive at your destination
0 m · 1 sec · Highway Boulevard
Car Route Details
A richer read on the saved driving route between Killeen and Katy.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Texas State Highway 71
Continue on Texas State Highway 71
122 mi · 02h 08m
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 leaving Killeen and Partly Sunny then Slight Chance Showers And Thunderstorms near Katy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Killeen to Katy?
The road trip is about 197.7 miles (318.2 km) and usually takes 03h 29m 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?
Bastrop is a useful midpoint, sitting about 98.9 miles from Killeen and 98.9 miles from Katy.
How much longer is the road route than the straight-line distance?
The direct path is about 146 miles (234.9 km), while the road route adds roughly 51.7 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 10:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.38 one way or $52.75 round trip. Estimated CO2 is about 62 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Killeen and Partly Sunny then Slight Chance Showers And Thunderstorms near Katy.
Stop Ideas Near Bastrop
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 Bastrop.
Austin
Taylor
San Marcos Station
Temple
Flight Path Map
This map shows the direct air route between Killeen and Katy. Straight-line distance: 145.99 mi (234.95 km).
#1 Killeen
The 11th most populous city in Texas.
| Population | 153,991 |
| Coordinates | 31.1171200, -97.7278000 |
| Altitude | 252 |
| Country | United States |
#2 Katy
City in Texas, United States; within the Houston–The Woodlands–Sugar Land metropolitan area
| Population | 23,889 |
| Coordinates | 29.7857900, -95.8244000 |
| Altitude | 42 |
| Country | United States |
End: Katy (-95.8244, 29.78579)
Estimated Travel Time
Distance: 318 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 35m |
| 40 mph (64.37 km/h) | 04h 56m |
| 50 mph (80.47 km/h) | 03h 57m |
| 60 mph (96.56 km/h) | 03h 17m |
| 70 mph (112.65 km/h) | 02h 49m |
| 80 mph (129 km/h) | 02h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $26.38 | $52.75 |
| Mid-grade | $4.25 | $29.68 | $59.36 |
| Premium | $4.59 | $32.05 | $64.09 |
| Diesel | $3.99 | $27.87 | $55.74 |
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.