How far is Killeen, TX from Brownsville, TX?

The driving distance from Killeen, TX to Brownsville, TX is about 397.4 miles (639.6 km), with a travel time of about 07h 23m by car.

  • The straight-line flight distance is about 360.6 miles (580.4 km).
  • For a round trip, plan for roughly 14h 46m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
397.4 mi
07h 23m
Flight
360.62 mi
580.36 km direct

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

Learn Distance

Choose another destination from Killeen.

Flight Distance

Direct air line
360.62 mi
Kilometers
580.36 km
Flight Time
00h 43m

Driving Distance

Road route
397.4 mi
Kilometers
639.55 km
Drive Time
07h 23m

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 07h 23m.

Arrival Snapshot
Arrive in Brownsville
Thu, May 21, 3:38 AM CDT
Return by in Killeen
Thu, May 21, 11:02 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Killeen
2026-05-20T20:15
Arrive Brownsville
Thu, May 21, 3:38 AM CDT
Route Timing
07h 23m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
1:23 PM to 2:53 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
9:14 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Killeen
8:00 PM CDT
Overnight-style route

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
Beeville
TX

City in Texas, USA

From Killeen
199.2 mi
03h 41m
To Brownsville
198.2 mi
03h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Wednesday

Chance Showers And Thunderstorms

Starts
Wed, May 20 6:00 AM CDT
Wind
5 to 10 mph ENE
Destination
Brownsville Weather
TX
Live fallback forecast
92°F
Wednesday
Using Cameron Park as the closest live forecast in the Cameron County weather hub.

Partly Sunny

Starts
Wed, May 20 6:00 AM CDT
Wind
10 to 14 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    23 m · 11 sec

  2. 2

    Turn left

    25 m · 8 sec

  3. 3

    Turn right onto East Veterans Memorial Boulevard

    1.5 km · 2 min · East Veterans Memorial Boulevard

  4. 4

    Turn left onto South Fort Hood Street

    33.8 mi · 38 min · South Fort Hood Street

  5. 5

    Take the exit slight right

    999 ft · 17 sec

  6. 6

    Continue on North Interstate 35

    1035 ft · 16 sec · North Interstate 35

  7. 7

    Take the ramp straight toward TX 130 Toll South: San Antonio

    858 ft · 21 sec

  8. 8

    Continue straight

    58.5 mi · 55 min

  9. 9

    Take the exit slight right toward US 183 South: Lockhart

    1219 ft · 30 sec

  10. 10

    Continue on United States Highway 183

    2699 ft · 35 sec · United States Highway 183

  11. 11

    Continue on North Colorado Street

    4.9 mi · 9 min · North Colorado Street

  12. 12

    Continue on US 183

    10.1 mi · 12 min · US 183

  13. 13

    Continue on North Magnolia Avenue

    4.2 mi · 7 min · North Magnolia Avenue

  14. 14

    Continue straight

    51.2 mi · 57 min

  15. 15

    Turn slight left onto Farm-to-Market Road 792

    8.4 mi · 11 min · Farm-to-Market Road 792

  16. 16

    Continue on East Main Street

    1.3 km · 1 min · East Main Street

  17. 17

    Turn left onto South Sunset Strip Drive

    1.2 mi · 1 min · South Sunset Strip Drive

  18. 18

    Continue on South US Highway 181

    40.2 mi · 46 min · South US Highway 181

  19. 19

    Continue on North 8th Street

    1.3 km · 56 sec · North 8th Street

  20. 20

    Continue on US Highway 181 South

    16.1 mi · 18 min · US Highway 181 South

  21. 21

    Take the exit slight right

    1648 ft · 45 sec

  22. 22

    Keep slight right to continue on US Route 181

    65 m · 6 sec · US Route 181

  23. 23

    Turn straight onto US Highway 181

    1.1 km · 1 min · US Highway 181

  24. 24

    Take the ramp right

    1926 ft · 47 sec

  25. 25

    Merge slight left

    11.9 mi · 14 min

  26. 26

    Take the exit straight toward I 37, US 77, I 69E

    538 ft · 13 sec

  27. 27

    Keep slight left

    1965 ft · 48 sec

  28. 28

    Merge slight right

    2.5 mi · 2 min

  29. 29

    Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville

    31.3 mi · 34 min

  30. 30

    Keep slight left to continue on U.S. Highway 77

    61.3 mi · 1 hr 9 min · U.S. Highway 77

  31. 31

    Keep slight left to continue on U.S. Highway 77

    43.7 mi · 47 min · U.S. Highway 77

  32. 32

    Continue on North Expressway

    2.1 mi · 2 min · North Expressway

  33. 33

    Keep slight left to continue on North Expressway

    9 mi · 10 min · North Expressway

  34. 34

    Take the exit slight right toward 12th-14th Street

    1730 ft · 42 sec

  35. 35

    Turn straight onto South Expressway

    101 m · 9 sec · South Expressway

  36. 36

    Turn right onto East 12th Street

    1.2 km · 2 min · East 12th Street

  37. 37

    Turn right onto East Washington Street

    9 m · 1 sec · East Washington Street

  38. 38

    Arrive at your destination

    0 m · 1 sec · East Washington Street

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
38 steps
9 turns on the saved route
Ramps & Exits
10
2 merges, 8 ramps or exits
Navigation Density
9.6 / 100 mi
Decision points by distance
Main Roads
U.S. Highway 77
105 mi · 26%
TX 130 Toll South
58.7 mi · 15%
North Magnolia Avenue
55.4 mi · 14%
South US Highway 181
40.2 mi · 10%
South Fort Hood Street
34 mi · 9%
I 69E
31.3 mi · 8%
Longest Stretch

U.S. Highway 77

Keep slight left to continue on U.S. Highway 77

61.3 mi · 01h 10m

Route Summary

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

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 23m
Overnight route
Same-Day Return
14h 46m
Round-trip wheel time
Road vs Air
+36.8 mi
360.6 mi direct line
Halfway Stop
Beeville
03h 41m from Killeen
Leave By
9:14 PM CDT
Overnight-style route
Weather Watch

Chance Showers And Thunderstorms leaving Killeen and Partly Sunny near Brownsville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Killeen to Brownsville?

The road trip is about 397.4 miles (639.6 km) and usually takes 07h 23m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Beeville is a useful midpoint, sitting about 199.2 miles from Killeen and 198.2 miles from Brownsville.

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

The direct path is about 360.6 miles (580.4 km), while the road route adds roughly 36.8 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $52.98 one way or $105.96 round trip. Estimated CO2 is about 124.6 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around Killeen and Partly Sunny near Brownsville.

Flight Path Map

This map shows the direct air route between Killeen and Brownsville. Straight-line distance: 360.62 mi (580.36 km).

Killeen

#1 Killeen

The 11th most populous city in Texas.

Population153,991
Coordinates31.1171200, -97.7278000
Altitude252
CountryUnited States
Brownsville

#2 Brownsville

The southernmost city in Texas.

Population183,428
Coordinates25.9017500, -97.4974800
Altitude10
CountryUnited States
Start: Killeen (-97.7278, 31.11712)
End: Brownsville (-97.49748, 25.90175)

Estimated Travel Time

Distance: 640 km by road

SpeedTime
30 mph (48.3 km/h)13h 14m
40 mph (64.37 km/h)09h 56m
50 mph (80.47 km/h)07h 56m
60 mph (96.56 km/h)06h 37m
70 mph (112.65 km/h)05h 40m
80 mph (129 km/h)04h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.02 gal
53.08 L · about $52.98
Round trip
$105.96
28.04 gal · 106.16 L
Estimated CO2
124.6 kg one way
Round trip: 249.2 kg / 549 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $52.98 $105.96
Mid-grade $4.25 $59.61 $119.23
Premium $4.59 $64.37 $128.73
Diesel $3.99 $55.98 $111.96

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 · May 21, 2026

There is no time difference between Killeen and Brownsville. The current time is 20:15:02.

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.