Origin
Houston, TX
Evening in Houston on Sunday
Local time
5:44 PM
CDT
Current temp
70°F
Unavailable
Live forecast
Trip from Houston, TX to Harker Heights, TX
Drive Time
3h 50m
Distance
193.6 mi
311 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$30
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
3h 38m
★
6 AM
3h 50m
8 AM
4h 16m
10 AM
3h 59m
12 PM
3h 57m
3 PM
4h 1m
5 PM
4h 15m
8 PM
3h 43m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Houston, TX
Trace Hudson
Harker Heights, TX
Jeff Stapleton
Trip Overview
If you are planning a trip from Houston to Harker Heights, expect a straightforward journey covering 193.6 miles across the Texas Great Plains. With a travel time of approximately 3 hours and 50 minutes, this route is perfectly manageable as a single-day excursion, meaning you likely won't need to book an overnight stay. You can anticipate a fuel budget of about $29 for the one-way trip. Since the drive is relatively short, you have the flexibility to depart at your convenience without feeling rushed. Both the start and end points reside within the Great Plains, keeping the regional landscape consistent throughout your transit.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
96.8 miles from Houston, TX
A natural place for your longest stop of the day , about 1h 54m into the drive .
Drive Character
Prepare for a turn-heavy local drive that demands your full attention as you navigate away from the city. While you will utilize I-45 North to cover ground, the route profile leans heavily toward local maneuvering rather than long, monotonous stretches of highway. In fact, there is no significant highway percentage to speak of, and the longest uninterrupted stretch on Franklin Street is effectively zero miles. You will spend much of your time navigating local infrastructure, which creates a very different experience than a standard interstate cruise. Expect a technical drive that requires frequent adjustments behind the wheel as you transition between city streets and connecting roads.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 33 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
TX 6 is the longest continuous segment at about 49.8 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on TX 6 and Aggie Expressway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Franklin Street.
Route Complexity
8/10
Demanding - plan breaks and stay ahead of the key maneuvers
This is a demanding drive. With 22 significant decision points across 193.6 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Franklin Street): Navigation decision point; at 0.2 miles (Travis Street): Lane positioning matters here; at 9.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Critical Maneuvers
5 of 22 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.1 mi into trip
|
~0m in
|
Franklin Street
Turn right onto Franklin Street
Navigation decision point
7
0.2 mi into trip
|
~0m in
|
Travis Street
Turn left onto Travis Street
Lane positioning matters here
Use the none lane.
7
9.7 mi into trip
|
~13m in
Take the exit toward TX 249
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 57B
Toward TX 249
8
180.9 mi into trip
|
~3h 34m in
|
I 14; US 190 / Central Texas Expressway
Keep slight right at fork onto I 14; US 190 / Central Texas Expressway toward US 190 West: Killeen, Fort Cavazos
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the none / straight / slight right lanes.
Toward US 190 West: Killeen, Fort Cavazos
7
192.1 mi into trip
|
~3h 46m in
Take the exit toward FM 3423
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 289
Toward FM 3423
Towns Along This Route
On the drive from Houston, TX to Harker Heights, TX, road signs begin pointing toward Fort Cavazos along the way.
Fort Cavazos
180.9 mi in
|
~3h 34m
|
via I 14; US 190
Main Roads
| Road | Distance | Duration |
|---|---|---|
| TX 6 | 49.8 mi | 53m |
| Aggie Expressway | 24.8 mi | 27m |
| Farm-to-Market Road 485 | 20.4 mi | 25m |
| Farm-to-Market Road 979 | 15.3 mi | 19m |
| TX 53 | 13.1 mi | 16m |
| Tomball Parkway | 12.3 mi | 15m |
| Central Texas Expressway | 11.2 mi | 11m |
| North Freeway | 8.3 mi | 10m |
Longest stretch:
TX 6
— 49.8 mi, about 53m
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston, TX and Harker Heights, TX.
1
Start on Louisiana Street
474 ft
·
19 sec
·
Louisiana Street
Use the straight / left / none lanes.
2
Turn right onto Franklin Street
0.1 mi
·
28 sec
·
Franklin Street
3
Turn left onto Travis Street
0.2 mi
·
29 sec
·
Travis Street
Use the none lane.
4
Take the ramp
1.0 mi
·
2 min
Toward I 45 North Express Lane
5
Merge onto I 45
8.3 mi
·
10 min
·
North Freeway
Use the none lane.
6
Take the exit
0.2 mi
·
20 sec
Exit 57B
Toward TX 249
Use the slight right lane.
7
Turn straight onto North Freeway Frontage Road
0.4 mi
·
39 sec
·
North Freeway Frontage Road
Use the none lane.
8
Turn left onto TX 249
2.9 mi
·
4 min
·
West Mount Houston Road
Use the straight / left / none lanes.
9
Continue on TX 249
3.8 mi
·
6 min
·
Tomball Parkway
Use the none lane.
10
Continue on TX 249
8.4 mi
·
9 min
·
Tomball Parkway
Use the none lane.
11
Continue on TBT
7.3 mi
·
8 min
·
Tomball Tollway
Use the straight / slight right lanes.
12
Continue on TX 249 Toll
3.6 mi
·
4 min
·
MCTRA 249 Tollway
Use the none lane.
13
Continue on TX 249 Toll
25 mi
·
27 min
·
Aggie Expressway
Use the none / straight / slight right lanes.
14
Continue on TX 105
5.8 mi
·
6 min
·
State Highway 105
15
Turn right onto TX 105
0.2 mi
·
16 sec
·
State Highway 6
16
Take the ramp
0.1 mi
·
18 sec
17
Merge onto TX 6
50 mi
·
53 min
·
TX 6
Use the none / straight / slight right lanes.
18
Keep slight right at fork onto TX 6
5.8 mi
·
5 min
·
North State Highway 6
19
Continue on TX 6
1.3 mi
·
2 min
·
South Main Street
20
Turn left onto FM 979
0.7 mi
·
1 min
·
Browning Street
21
Continue on FM 979
15 mi
·
19 min
·
Farm-to-Market Road 979
22
At end of road, turn right onto FM 485
20 mi
·
25 min
·
Farm-to-Market Road 485
23
At end of road, turn left onto TX 53
13 mi
·
16 min
·
TX 53
24
Turn left onto North General Bruce Drive
0.2 mi
·
20 sec
·
North General Bruce Drive
25
Take the ramp
0.2 mi
·
26 sec
Toward I 35 South
26
Merge onto I 35
7.1 mi
·
7 min
·
Purple Heart Trail
Use the none lane.
27
Keep slight right at fork onto I 14; US 190
11 mi
·
11 min
·
Central Texas Expressway
Toward US 190 West: Killeen, Fort Cavazos
Use the none / straight / slight right lanes.
28
Take the exit
0.2 mi
·
27 sec
Exit 289
Toward FM 3423
Use the straight / slight right lanes.
29
Turn straight onto East Central Texas Expressway
0.5 mi
·
59 sec
·
East Central Texas Expressway
30
Turn right onto FM 3423
0.2 mi
·
38 sec
·
Indian Trail
31
Turn left onto Clore Road
0.3 mi
·
1 min
·
Clore Road
32
Turn right onto Jorgette Drive
0.2 mi
·
49 sec
·
Jorgette Drive
33
Arrive at destination
Jorgette Drive
Trip Plan
Because this 193.6-mile route is quite manageable, you should plan for at least one stop to break up the local driving segments. Leaving early helps you avoid the thickest congestion when departing Houston, ensuring a smoother transition onto I-45 North. Keep a close eye on your fuel gauge, as the stop-and-go nature of local roads can sometimes impact your efficiency more than steady highway cruising. Budgeting $29 for gas should keep you covered, but having a little extra for local traffic variations is a smart move. Since the route relies on city streets like Travis Street and Franklin Street, utilize a reliable navigation app to stay ahead of any unexpected local road closures or traffic patterns.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 96.8 miles from Houston, TX, or about 1h 54m into the drive.
The longest continuous stretch on this route runs about 49.8 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 36m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 96.8 miles or 1h 54m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 7m
Traffic, exits, and arrival timing usually matter more near Harker Heights, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Houston, TX so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Houston, TX
This is one driving day of about 193.6 miles and 3h 50m.
Your first comfortable stop window is around 80 miles from Houston, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on TX 6 for about 49.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 96.8 mi from Houston, TX · 1h 54m into the drive
Mid-route town
Meal stop
97 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 96.8 miles from Houston, TX, which is a good place for a longer meal and fuel stop.
Arriving in Harker Heights, TX
The final approach into Harker Heights, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Harker Heights, TX.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$29.57 one way
$59.15 round trip
$3.88/gal
25.4 MPG avg
68 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $32.41 | $64.82 |
| premium | $4.59 | $34.99 | $69.99 |
| diesel | $5.64 | $43.01 | $86.02 |
Estimated Tolls: $0.76
Tomball Tollway
(7.3 mi)
$0.51
MCTRA 249 Tollway
(3.6 mi)
$0.25
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$30
Tolls
$1
Meals
$25–$50
Total
$55–$80
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 67.7 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $20 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 58.1 | 0 | $20.33 | $9.29 |
| Efficient EV | 48.4 | 0 | $16.94 | $7.74 |
| EV Truck/SUV | 77.4 | 0 | $27.10 | $12.39 |
Gas CO2
68 kg
EV CO2
23 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Harker Heights, TX
Evening in Harker Heights on Sunday
Local time
5:44 PM
CDT
Current temp
61°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
9 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 50m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Houston, TX to Harker Heights, TX covers 193.6 miles and takes about 3h 50m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are TX 6, Aggie Expressway, Farm-to-Market Road 485. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 96.8 miles from Houston, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $29.57 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a demanding drive. With 22 significant decision points across 193.6 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 0.1 miles (Franklin Street): Navigation decision point; at 0.2 miles (Travis Street): Lane positioning matters here; at 9.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
On the drive from Houston, TX to Harker Heights, TX, road signs begin pointing toward Fort Cavazos along the way.
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