How far is Katy, TX from Killeen, TX?

The driving distance from Katy, TX to Killeen, TX is about 197.5 miles (317.9 km), with a travel time of about 03h 30m by car.

  • The straight-line flight distance is about 146 miles (234.9 km).
  • For a round trip, plan for roughly 07h 01m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
197.55 mi
03h 30m
Flight
145.99 mi
234.95 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Katy.

Flight Distance

Direct air line
145.99 mi
Kilometers
234.95 km
Flight Time
00h 17m

Driving Distance

Road route
197.55 mi
Kilometers
317.93 km
Drive Time
03h 30m

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 30m.

Arrival Snapshot
Arrive in Killeen
Thu, Apr 23, 2:36 AM CDT
Return by in Katy
Thu, Apr 23, 6:07 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Katy
2026-04-22T23:05
Arrive Killeen
Thu, Apr 23, 2:36 AM CDT
Route Timing
03h 30m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:31 AM to 11:31 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:58 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Katy
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Bastrop
TX

City in Texas, USA

From Katy
98.8 mi
01h 45m
To Killeen
98.7 mi
01h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Wednesday

Chance Showers And Thunderstorms then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 10 mph SE
Destination
78°F
Wednesday

Chance Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 10 mph SSE

Driving Route Map

The map below follows the saved road route between Katy and Killeen.

Turn-by-Turn Driving Directions

Step-by-step road directions between Katy and Killeen.

  1. 1

    Start on Highway Boulevard

    1.3 mi · 2 min · Highway Boulevard

  2. 2

    Turn left onto Cane Island Parkway

    2865 ft · 1 min · Cane Island Parkway

  3. 3

    Enter the roundabout and take exit 2 toward Cane Island Parkway

    45 m · 3 sec · Cane Island Parkway

  4. 4

    Exit the roundabout onto Cane Island Parkway

    46 m · 3 sec · Cane Island Parkway

  5. 5

    Take the ramp slight right toward I 10 West

    2762 ft · 1 min

  6. 6

    Merge slight left onto Katy Freeway

    43.8 mi · 45 min · Katy Freeway

  7. 7

    Take the exit slight right toward TX 71 West: La Grange, Austin

    2832 ft · 33 sec

  8. 8

    Keep slight left

    77.2 mi · 1 hr 22 min

  9. 9

    Take the exit slight right toward TX 71 West, TX 45 Toll, TX 130 Toll: Austin, Waco, San Antonio

    1574 ft · 22 sec · East State Highway 71

  10. 10

    Turn right onto State Highway 130

    1.1 km · 2 min · State Highway 130

  11. 11

    Take the ramp straight toward TX 45 Toll North, TX 130 Toll North

    1734 ft · 42 sec

  12. 12

    Merge slight left onto Pickle Parkway

    36.9 mi · 35 min · Pickle Parkway

  13. 13

    Keep slight right to continue on TX 195 North: Florence, Killeen

    874 ft · 21 sec

  14. 14

    Continue on North Interstate 35

    1424 ft · 26 sec · North Interstate 35

  15. 15

    Turn left onto State Highway 195

    34 mi · 38 min · State Highway 195

  16. 16

    Turn slight right

    80 m · 10 sec

  17. 17

    Turn slight right onto West Veterans Memorial Boulevard

    1.4 km · 2 min · West Veterans Memorial Boulevard

  18. 18

    Turn left

    25 m · 8 sec

  19. 19

    Turn right

    23 m · 5 sec

  20. 20

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Katy and Killeen.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
9 turns on the saved route
Ramps & Exits
8
2 merges, 6 ramps or exits
Navigation Density
10.1 / 100 mi
Decision points by distance
Main Roads
TX 71 West
77.9 mi · 39%
Katy Freeway
43.8 mi · 22%
Pickle Parkway
36.9 mi · 19%
State Highway 195
34 mi · 17%
Highway Boulevard
1.29 mi · 1%
West Veterans Memorial Boulevard
0.88 mi
Longest Stretch

TX 71 West

Keep slight left

77.2 mi · 01h 22m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
03h 30m
Long day trip
Same-Day Return
07h 02m
Round-trip wheel time
Road vs Air
+51.5 mi
146 mi direct line
Halfway Stop
Bastrop
01h 45m from Katy
Leave By
9:58 AM CDT
Early departure recommended
Weather Watch

Chance Showers And Thunderstorms then Showers And Thunderstorms leaving Katy 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 Katy to Killeen?

The road trip is about 197.5 miles (317.9 km) and usually takes 03h 30m 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 98.8 miles from Katy and 98.7 miles from Killeen.

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 51.5 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 9:58 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.34 one way or $52.68 round trip. Estimated CO2 is about 61.9 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms around Katy and Chance Showers And Thunderstorms near Killeen.

Stop Ideas Near Bastrop

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Bastrop, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Bastrop.

RAIL

Austin

46 mi away
250 North Lamar Blvd.
RAIL

Taylor

52 mi away
118 East First St.
RAIL

San Marcos Station

65 mi away
338 South Guadalupe St.
RAIL

Temple

110 mi away
315 West Ave B

Flight Path Map

This map shows the direct air route between Katy and Killeen. Straight-line distance: 145.99 mi (234.95 km).

Katy

#1 Katy

City in Texas, United States; within the Houston–The Woodlands–Sugar Land metropolitan area

Population23,889
Coordinates29.7857900, -95.8244000
Altitude42
CountryUnited States
Killeen

#2 Killeen

The 11th most populous city in Texas.

Population153,991
Coordinates31.1171200, -97.7278000
Altitude252
CountryUnited States
Start: Katy (-95.8244, 29.78579)
End: Killeen (-97.7278, 31.11712)

Estimated Travel Time

Distance: 318 km by road

SpeedTime
30 mph (48.3 km/h)06h 34m
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 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.97 gal
26.39 L · about $26.34
Round trip
$52.68
13.94 gal · 52.78 L
Estimated CO2
61.9 kg one way
Round trip: 123.9 kg / 273 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $26.34 $52.68
Mid-grade $4.25 $29.64 $59.27
Premium $4.59 $32.00 $64.00
Diesel $3.99 $27.83 $55.66

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

There is no time difference between Katy and Killeen. The current time is 23:05:56.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.