This 171.4-mile drive from Killeen, TX, to Coppell, TX, is easily manageable as a single-day trip, taking approximately 3 hours and 6 minutes. You'll primarily navigate along the Purple Heart Trail and I-35E, with a portion on Central Texas Expressway. The estimated fuel cost for this journey is around $26. Both your origin and destination are located within the Great Plains region, so expect a consistent landscape throughout. This route offers a straightforward drive, making it a convenient option for a quick trip.
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
85.7 miles from Killeen, TX
A natural place for your longest stop of the day
, about 1h 33m into the drive
.
Step-by-step road directions between Killeen, TX and Coppell, 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
63 mi·1 hr 6 min·I 35E
Toward I 35E: DallasUse the slight right lane.
11
Keep slight left at fork onto TX 183
0.8 mi·48 sec·John W Carpenter Freeway
Exit 433AToward TX 183: Irving, DFW AirportUse the slight left / straight lanes.
12
Keep slight left at fork onto TX 183 TEXpress
1.5 mi·1 min·SH 183 TEXpress
Use the straight / slight left lanes.
13
Keep slight left at fork onto TX 114 TEXpress
6.6 mi·6 min·SH 114 TEXpress
Toward TX 114 Express West Toll: DFW Airport North EntryUse the straight / slight right lanes.
14
Take the exit
0.1 mi·7 sec
Use the straight / slight right lanes.
15
Merge onto TX 114
0.6 mi·40 sec·West John W Carpenter Freeway
16
Take the exit
0.3 mi·35 sec
Toward Belt Line RoadUse the slight right lane.
17
Turn slight right onto North Belt Line Road
1.3 mi·2 min·North Belt Line Road
Use the straight / right lanes.
18
Turn left onto West Lyndon B Johnson Freeway
0.3 mi·29 sec·West Lyndon B Johnson Freeway
Toward I 635 WestUse the left lane.
19
Take the ramp
0.2 mi·25 sec
Toward I 635 West
20
Merge onto I 635
1.4 mi·1 min·Lyndon B Johnson Freeway
Use the straight / slight right lanes.
21
Take the exit
0.4 mi·52 sec
Exit 35Toward Royal LaneUse the straight / slight right lanes.
22
Turn right onto South Royal Lane
0.6 mi·1 min·South Royal Lane
Use the straight / right lanes.
23
Turn right onto West Bethel Road
0.4 mi·43 sec·West Bethel Road
24
Turn right
65 ft·9 sec
25
Turn left
174 ft·12 sec
26
Arrive at destination
Trip Plan
With a duration of just over 3 hours, this route is perfect for a flexible day trip, allowing you to depart at your convenience. Consider leaving Killeen in the morning to avoid the peak heat of the day and arrive in Coppell with ample daylight. You'll only need one stop on average for this distance, so plan it strategically along the Purple Heart Trail or as you merge onto I-35E. Keep an eye on your fuel levels, as the longest stretch without a significant road change is over 70 miles.
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 85.7 miles from Killeen, TX, or about 1h 33m 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 38 miles or 43m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 85.7 miles or 1h 33m 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 31m
Traffic, exits, and arrival timing usually matter more near Coppell, 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 171.4 miles and 3h 6m.
Your first comfortable stop window is around 38 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.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 21
5 decision points cluster between mile 94.4 and 170 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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
9
156.9 mi into trip|~2h 48m in|TX 183 / John W Carpenter Freeway
Keep slight left at fork onto TX 183 / John W Carpenter Freeway toward TX 183: Irving, DFW Airport
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left / straight lanes.
Exit 433A
Toward TX 183: Irving, DFW Airport
6
157.7 mi into trip|~2h 49m in|TX 183 TEXpress / SH 183 TEXpress
Keep slight left at fork onto TX 183 TEXpress / SH 183 TEXpress
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight left lanes.
7
159.2 mi into trip|~2h 50m in|TX 114 TEXpress / SH 114 TEXpress
Keep slight left at fork onto TX 114 TEXpress / SH 114 TEXpress toward TX 114 Express West Toll: DFW Airport North Entry
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward TX 114 Express West Toll: DFW Airport No...
7
170 mi into trip|~3h 3m in
Take the exit toward Royal Lane
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Exit 35
Toward Royal Lane
Fuel & Cost
Regular Gas
$25.90 one way
$51.80 round trip
$3.84/gal25.4 MPG avg60 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$28.35
$56.70
premium
$4.54
$30.60
$61.20
diesel
$5.61
$37.84
$75.69
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$26
Meals
$25–$50
Total
$51–$76
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 60 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $18 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
51.4
0
$18.00
$8.23
Efficient EV
42.9
0
$15.00
$6.86
EV Truck/SUV
68.6
0
$24.00
$10.97
Gas CO2
60 kg
EV CO2
20 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 Sunday
Local time
2:30 AM
CDT
Current temp
60°F
Unavailable
Live forecast
Destination
Coppell, TX
Late night
in Coppell on Sunday
Local time
2:30 AM
CDT
Current temp
73°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
13 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 6m 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.
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...
5 mi from route
~12 min detour
Free
near mile 59.1
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
The drive features a mixed profile, with 53% of the journey on highways. You'll experience stretches on the Purple Heart Trail, including one uninterrupted segment of 70.8 miles, before transitioning to the faster pace of I-35E. This blend means you'll encounter both more open road driving and potentially busier interstate conditions. The road character shifts as you progress, moving from potentially less developed routes to a more significant freeway experience as you approach your destination.
53% highway, the rest on surface roads — varied driving throughout.
26 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 70.8 mi on Purple Heart Trail.
How Hard Is This Drive?
10/10
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 Effort10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 21 significant decision points across 171.4 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 156.9 miles (TX 183 / John W Carpenter Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 157.7 miles (TX 183 TEXpress / SH 183 TEXpress): Highway fork - watch signs carefully. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Killeen, TX to Coppell, TX, road signs begin pointing toward Dfw Airport along the way.
Killeen is a city in the Central Hill Country of Texas. It is home to U.S. Army installation Fort Cavasos, one of the largest military bases in the world.
Doable as a same-day drive at 3h 6m. Total distance: 171.4 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 6m drive, comfortable solo distance.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 70.8 miles on Purple Heart Trail. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Coppell, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 94.4 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here; at 156.9 miles (TX 183 / John W Carpenter Freeway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 157.7 miles (TX 183 TEXpress / SH 183 TEXpress): Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Waco Mammoth National Monument. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 3.1 hours each way, an in-and-out day trip would put you behind the wheel for 6.2 hours — manageable with a long break at Coppell, TX, but most travelers stay overnight.
