This 166.2-mile drive from Killeen, TX to Forney, TX is a manageable one-day trip, estimated to take around 3 hours. You'll navigate a mix of major roads including the Purple Heart Trail, I-35E, and the Lyndon B. Johnson Freeway, with 48% of the journey on highways. The estimated fuel cost for this journey is $25. Both your origin and destination are within the Great Plains region, so expect a consistent landscape throughout. This route is well-suited for a single day's travel, allowing for a relaxed pace.
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
83.1 miles from Killeen, TX
A natural place for your longest stop of the day
, about 1h 30m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h. Total distance: 166.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h drive, comfortable solo distance.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
The drive offers a mixed experience, blending highway speeds with other road types. You'll encounter a significant 70.8-mile stretch on the Purple Heart Trail, which likely offers a different driving feel than the interstate portions. With nearly half of the trip on highways, you can anticipate periods of faster travel, especially on I-35E and the Lyndon B. Johnson Freeway. This variety means the road's personality shifts, offering a dynamic journey rather than a monotonous one.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 19 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Purple Heart Trail is the longest continuous segment at about 70.8 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive.
Driving Effort7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 12 significant decision points across 166.2 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: near the start: Navigation decision point; at 94.4 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here; at 141.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
Critical Maneuvers
5 of 12 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip|~0m in
Turn left
Navigation decision point
7
94.4 mi into trip|~1h 41m in|I 35E
Keep slight right at fork onto I 35E toward I 35E: Dallas
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 35E: Dallas
7
141.9 mi into trip|~2h 30m in
Take the exit toward I 20 East: Shreveport
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 418B
Toward I 20 East: Shreveport
7
154.2 mi into trip|~2h 44m in|I 20 / Ronald Reagan Memorial Highway
Keep slight left at fork onto I 20 / Ronald Reagan Memorial Highway toward I 20 East: Shreveport
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / right lanes.
Toward I 20 East: Shreveport
7
161.5 mi into trip|~2h 52m in
Take the exit toward FM 740: Forney
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 487
Toward FM 740: Forney
Step-by-step road directions between Killeen, TX and Forney, TX.
1
Start on this road
74 ft·10 sec·this road
2
Turn left
83 ft·11 sec
3
Turn left onto US 190 Bus
5.1 mi·8 min·East Veterans Memorial Boulevard
4
Turn slight right onto Edwards Drive
0.5 mi·55 sec·Edwards Drive
5
Take the ramp
0.6 mi·1 min
Toward I 14 East, US 190 East
6
Merge onto I 14; US 190
11 mi·11 min·Central Texas Expressway
Use the straight / slight right lanes.
7
Merge onto I 35; US 190
38 mi·38 min·Purple Heart Trail
Use the straight / slight right lanes.
8
Continue on I 35
6.6 mi·7 min·South Jack Kultgen Expressway
Use the straight / slight right lanes.
9
Continue on I 35; US 77
33 mi·33 min·Purple Heart Trail
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 35E
47 mi·49 min·I 35E
Toward I 35E: DallasUse the slight right lane.
11
Take the exit
0.4 mi·57 sec
Exit 418BToward I 20 East: ShreveportUse the slight right lane.
12
Merge onto I 20
12 mi·12 min·Lyndon B Johnson Freeway
Use the straight / slight right lanes.
13
Keep slight left at fork onto I 20
7.3 mi·7 min·Ronald Reagan Memorial Highway
Toward I 20 East: ShreveportUse the straight / right lanes.
14
Take the exit
0.4 mi·53 sec
Exit 487Toward FM 740: ForneyUse the straight / slight right lanes.
15
Turn left onto FM 740
1.1 mi·1 min·FM 740
16
Continue on FM 740
2.0 mi·2 min·FM 740
17
Continue on FM 740
1.1 mi·2 min·South Bois d'Arc Street
18
Turn left onto West Main Street
52 ft·2 sec·West Main Street
19
Arrive at destination
West Main Street
Trip Plan
For this 3-hour drive, consider an early morning departure from Killeen to avoid potential traffic, especially as you approach the Dallas-Fort Worth metroplex. With only one recommended stop, you have flexibility in when and where you choose to rest. Keep an eye on your fuel levels, as the $25 estimated cost suggests you'll want to plan for at least one fill-up. A practical tip for this route is to be aware of the transition onto I-35E; it's a major artery and can become quite busy.
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 83.1 miles from Killeen, TX, or about 1h 30m into the drive.
The longest continuous stretch on this route runs about 70.8 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 37 miles or 42m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 83.1 miles or 1h 30m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 25m
Traffic, exits, and arrival timing usually matter more near Forney, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Killeen, 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 Killeen, TX
This is one driving day of about 166.2 miles and 3h.
Your first comfortable stop window is around 37 miles from Killeen, 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 Purple Heart Trail for about 70.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 83.1 mi from Killeen, TX
· 1h 30m into the drive
The midpoint is around 83.1 miles from Killeen, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel check
Top up before Purple Heart Trail if your tank is already low. That segment runs about 70.8 miles.
Arriving in Forney, TX
The final approach into Forney, 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 Forney, TX.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
National Parks Near This Route
Worth a detour if your schedule allows.
Waco Mammoth National Monument
National Monument
Standing as tall as 14 feet and weighing 20,000 pounds, Columbian mammoths roamed across what is present-day Texas thousands of years ago. Today, the fossil specimens represent the nation's first and...
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$25.11 one way
$50.23 round trip
$3.84/gal25.4 MPG avg58 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$27.49
$54.98
premium
$4.54
$29.67
$59.35
diesel
$5.61
$36.69
$73.39
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$25
Meals
$25–$50
Total
$50–$75
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 58.2 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $17 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
49.9
0
$17.45
$7.98
Efficient EV
41.6
0
$14.54
$6.65
EV Truck/SUV
66.5
0
$23.27
$10.64
Gas CO2
58 kg
EV CO2
19 kg (67% 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.
Forecast as of Apr 15, 2026
Origin
Killeen, TX
Late night
in Killeen on Friday
Local time
2:43 AM
CDT
Current temp
60°F
Unavailable
Live forecast
Destination
Forney, TX
Late night
in Forney on Friday
Local time
2:43 AM
CDT
Current temp
60°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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
3h 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 Killeen, TX to Forney, TX covers 166.2 miles and takes about 3h without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Purple Heart Trail, I 35E, Lyndon B Johnson Freeway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 83.1 miles from Killeen, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $25.11 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 12 significant decision points across 166.2 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: near the start: Navigation decision point; at 94.4 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here; at 141.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.
The route from Killeen, TX to Forney, TX does not surface many named destination signs beyond the main corridor.
Yes. Nearby national parks include Waco Mammoth National Monument.
Data sources
The figures on this page are computed from open government and mapping datasets, not crowdsourced reviews. Distances and geometry come from
OSRM
over
OpenStreetMap.
Fuel cost uses
EIA
weekly regional averages.
National park proximity is from the
NPS API.
Full methodology, refresh cadence, and limitations are documented on the
methodology page.
