How far is Tomball, TX from Killeen, TX?

The driving distance from Tomball, TX to Killeen, TX is about 169.6 miles (273 km), with a travel time of about 03h 18m by car.

  • The straight-line flight distance is about 144 miles (231.7 km).
  • For a round trip, plan for roughly 06h 36m 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
169.64 mi
03h 18m
Flight
144 mi
231.74 km direct

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

Learn Distance

Choose another destination from Tomball.

Flight Distance

Direct air line
144 mi
Kilometers
231.74 km
Flight Time
00h 17m

Driving Distance

Road route
169.64 mi
Kilometers
273.01 km
Drive Time
03h 18m

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.

Arrival Snapshot
Arrive in Killeen
Wed, Jun 3, 5:46 AM CDT
Return by in Tomball
Wed, Jun 3, 9:04 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Tomball
2026-06-03T02:28
Arrive Killeen
Wed, Jun 3, 5:46 AM CDT
Route Timing
03h 18m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:18 AM to 11:18 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
10:24 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Tomball
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
Hearne
TX

City in Robertson County, Texas, United States

From Tomball
84.8 mi
01h 39m
To Killeen
84.8 mi
01h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
90°F
Wednesday

Chance Rain Showers then Chance Showers And Thunderstorms

Starts
Wed, Jun 3 6:00 AM CDT
Wind
0 to 5 mph E
Destination
87°F
Wednesday

Chance Showers And Thunderstorms

Starts
Wed, Jun 3 6:00 AM CDT
Wind
5 to 10 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    6 m · 6 sec

  2. 2

    Turn left onto North Cherry Street

    2268 ft · 52 sec · North Cherry Street

  3. 3

    Turn left onto West Hufsmith Road

    1210 ft · 26 sec · West Hufsmith Road

  4. 4

    Continue on Brown-Hufsmith Road

    1927 ft · 41 sec · Brown-Hufsmith Road

  5. 5

    Continue on Brown Road

    3054 ft · 1 min · Brown Road

  6. 6

    Turn right onto Tomball Parkway

    1900 ft · 35 sec · Tomball Parkway

  7. 7

    Take the ramp slight left toward TBT Toll North

    1697 ft · 41 sec

  8. 8

    Merge slight left onto Tomball Tollway

    2848 ft · 38 sec · Tomball Tollway

  9. 9

    Continue on MCTRA 249 Tollway

    3.6 mi · 4 min · MCTRA 249 Tollway

  10. 10

    Continue on Aggie Expressway

    24.8 mi · 27 min · Aggie Expressway

  11. 11

    Continue on State Highway 105

    5.8 mi · 7 min · State Highway 105

  12. 12

    Turn right onto State Highway 6

    815 ft · 16 sec · State Highway 6

  13. 13

    Take the ramp slight left

    755 ft · 18 sec

  14. 14

    Merge slight left

    49.8 mi · 53 min

  15. 15

    Keep slight right to continue on North State Highway 6

    5.8 mi · 6 min · North State Highway 6

  16. 16

    Continue on South Main Street

    1.3 mi · 2 min · South Main Street

  17. 17

    Turn left onto Browning Street

    1.1 km · 1 min · Browning Street

  18. 18

    Continue on Farm-to-Market Road 979

    15.3 mi · 19 min · Farm-to-Market Road 979

  19. 19

    At the end of the road, turn right onto Farm-to-Market Road 485

    20.4 mi · 26 min · Farm-to-Market Road 485

  20. 20

    At the end of the road, turn left

    13.1 mi · 16 min

  21. 21

    Turn left onto North General Bruce Drive

    951 ft · 21 sec · North General Bruce Drive

  22. 22

    Take the ramp straight toward I 35 South

    1069 ft · 26 sec

  23. 23

    Merge slight left onto Purple Heart Trail

    7.1 mi · 8 min · Purple Heart Trail

  24. 24

    Keep slight right to continue on Central Texas Expressway

    13.1 mi · 14 min · Central Texas Expressway

  25. 25

    Take the exit slight right toward FM 3470: Rosewood Drive, Stan Schlueter Loop

    1346 ft · 33 sec

  26. 26

    Turn straight onto West Central Texas Expressway

    2.9 mi · 3 min · West Central Texas Expressway

  27. 27

    Turn right onto South W.S. Young Drive

    1.3 mi · 3 min · South W.S. Young Drive

  28. 28

    Turn left onto East Veterans Memorial Boulevard

    1 mi · 2 min · East Veterans Memorial Boulevard

  29. 29

    Turn right

    25 m · 8 sec

  30. 30

    Turn right

    23 m · 5 sec

  31. 31

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Tomball 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
31 steps
13 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
18.3 / 100 mi
Decision points by distance
Main Roads
State Highway 6
50.1 mi · 30%
Aggie Expressway
24.8 mi · 15%
Farm-to-Market Road 485
20.4 mi · 12%
Farm-to-Market Road 979
15.3 mi · 9%
Central Texas Expressway
13.1 mi · 8%
Purple Heart Trail
7.07 mi · 4%
Longest Stretch

State Highway 6

Merge slight left

49.8 mi · 00h 53m

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 18m
Long day trip
Same-Day Return
06h 36m
Round-trip wheel time
Road vs Air
+25.6 mi
144 mi direct line
Halfway Stop
Hearne
01h 39m from Tomball
Leave By
10:24 AM CDT
Early departure recommended
Weather Watch

Chance Rain Showers then Chance Showers And Thunderstorms leaving Tomball 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 Tomball to Killeen?

The road trip is about 169.6 miles (273 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?

Hearne is a useful midpoint, sitting about 84.8 miles from Tomball and 84.8 miles from Killeen.

How much longer is the road route than the straight-line distance?

The direct path is about 144 miles (231.7 km), while the road route adds roughly 25.6 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 10:24 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.64 one way or $45.27 round trip. Estimated CO2 is about 53.2 kg one way.

What should you check before leaving?

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

Stop Ideas Near Hearne

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

Mid-route Guidance
Local place coverage is thin around Hearne, 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 Hearne.

BUS

Bryan, TX

31 mi away
301 East 26th Street
RAIL

Temple

76 mi away
315 West Ave B
RAIL

Taylor

85 mi away
118 East First St.
BUS

Waco, TX

91 mi away
301 South 8th Street

Flight Path Map

This map shows the direct air route between Tomball and Killeen. Straight-line distance: 144 mi (231.74 km).

Tomball

#1 Tomball

City in Texas

Population11,722
Coordinates30.0971600, -95.6160500
Altitude57
CountryUnited States
Killeen

#2 Killeen

The 11th most populous city in Texas.

Population153,991
Coordinates31.1171200, -97.7278000
Altitude252
CountryUnited States
Start: Tomball (-95.61605, 30.09716)
End: Killeen (-97.7278, 31.11712)

Estimated Travel Time

Distance: 273 km by road

SpeedTime
30 mph (48.3 km/h)05h 39m
40 mph (64.37 km/h)04h 14m
50 mph (80.47 km/h)03h 23m
60 mph (96.56 km/h)02h 49m
70 mph (112.65 km/h)02h 25m
80 mph (129 km/h)02h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.99 gal
22.66 L · about $22.64
Round trip
$45.27
11.98 gal · 45.32 L
Estimated CO2
53.2 kg one way
Round trip: 106.5 kg / 235 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $22.64 $45.27
Mid-grade $4.25 $25.47 $50.94
Premium $4.59 $27.50 $55.00
Diesel $3.99 $23.92 $47.84

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 · Jun 03, 2026

There is no time difference between Tomball and Killeen. The current time is 02:28:18.

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.