The drive from Killeen, TX to Greenville, TX covers 202.2 miles and takes about 3h 40m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Purple Heart Trail, I 35E, East R L Thornton Freeway for much of the mileage,
and the overall profile is mixed drive.
The longest uninterrupted segment is about 70.8 miles on Purple Heart Trail.
At current regular gas prices, budget about $30.55 one way before food or hotel costs.
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
101.1 miles from Killeen, TX
A natural place for your longest stop of the day
, about 1h 48m into the drive
.
Doable as a same-day drive at 3h 40m. Total distance: 202.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 40m drive, comfortable solo distance.
Drive Character
The drive from Killeen, TX to Greenville, TX covers 202.2 miles and takes about 3h 40m, using a mix of highways and local roads.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 23 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 around 94.4 miles in near I 35E.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 16 significant decision points across 202.2 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: at 94.4 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here; at 150.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 151 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 16 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
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
8
150.6 mi into trip|~2h 40m in
Take the exit toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 427A
Toward I 30 East: Texarkana, Riverfront Bouleva...
6
151 mi into trip|~2h 41m in
Keep slight left at fork toward I 35E North, I 30 West: Denton, Fort Worth, Texarkana
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward I 35E North, I 30 West: Denton, Fort Wor...
6
151.1 mi into trip|~2h 41m in
Keep slight right at fork toward I 30 East: Texarkana, Convention Center
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward I 30 East: Texarkana, Convention Center
7
159 mi into trip|~2h 50m in|I 30; US 67 / East R L Thornton Freeway
Keep slight left at fork onto I 30; US 67 / East R L Thornton Freeway toward I 30 East: Texarkana
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / right lanes.
Toward I 30 East: Texarkana
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Killeen, TX and Greenville, TX, road signs point toward Fort Worth, Texarkana and Convention Center.
The midpoint is around 101.1 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 Greenville, TX
The final approach into Greenville, 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 Greenville, 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...
4 mi from route
~10 min detour
Free
near mile 62.7
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$30.55 one way
$61.11 round trip
$3.84/gal25.4 MPG avg71 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$33.44
$66.89
premium
$4.54
$36.10
$72.20
diesel
$5.61
$44.64
$89.29
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$31
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 70.7 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $21 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
60.7
0
$21.23
$9.71
Efficient EV
50.6
0
$17.69
$8.09
EV Truck/SUV
80.9
1
$28.31
$12.94
Gas CO2
71 kg
EV CO2
24 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.
Forecast as of Apr 15, 2026
Origin
Killeen, TX
Late night
in Killeen on Saturday
Local time
12:04 AM
CDT
Current temp
60°F
Unavailable
Live forecast
Destination
Greenville, TX
Late night
in Greenville on Saturday
Local time
12:04 AM
CDT
Current temp
74°F
Unavailable
Live forecast
59°F
Italy, TX
101 mi in
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
14 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 40m 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 Greenville, TX covers 202.2 miles and takes about 3h 40m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Purple Heart Trail, I 35E, East R L Thornton Freeway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 101.1 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 $30.55 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 16 significant decision points across 202.2 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: at 94.4 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here; at 150.6 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 151 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Between Killeen, TX and Greenville, TX, road signs point toward Fort Worth, Texarkana and Convention Center.
Yes. Nearby national parks include Waco Mammoth National Monument.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
