Laredo, TX to Rockwall, TX is 452.2 miles and takes about 8h 2m via Purple Heart Trail, I 35E, and South Pan Am Expressway, with a fuel budget near $62 and enough daylight to finish in a day. This trip stays within Texas, moving from the Great Plains region to another part of the Great Plains. Given the duration and distance, it's a solid overnight drive, though you could push through in a single day if you start early. Expect a mix of highway and surface roads throughout the 8-hour transit.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
226.1 miles from Laredo, TX
A natural place for your longest stop of the day
, about 3h 59m into the drive
.
Hour-of-day weekday pattern from 144 FHWA count stations on your route.
Peak
5 PM
~3,149 veh/hr typical
· worst 3,641
Quietest
2 AM
~516 veh/hr
Peak-to-quiet ratio
6.1×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Laredo, TX and Rockwall, TX.
1
Start on Matamoros Street
0.3 mi·46 sec·Matamoros Street
2
Turn left onto San Dario Avenue
0.1 mi·11 sec·San Dario Avenue
3
Continue on I 35; I 27; US 83
144 mi·2 hr 27 min·Purple Heart Trail
Use the straight / slight right lanes.
4
Continue on I 35
9.3 mi·11 min·South Pan Am Expressway
Use the straight / slight left lanes.
5
Keep slight left at fork onto I 35
1.7 mi·2 min·South Pan Am Expressway
Use the straight / slight right lanes.
6
Keep slight right at fork onto I 35
10 mi·13 min·South Pan Am Expressway
Toward I 37, US 281: Upper Level, Corpus Christi, Johnson CityUse the straight lane.
7
Keep slight left at fork onto North Pan Am Expressway
7.4 mi·8 min·North Pan Am Expressway
Toward I 35: AustinUse the straight / slight right lanes.
8
Continue on I 35
12 mi·12 min·Purple Heart Trail
Use the straight / slight right lanes.
9
Continue on I 35
1.9 mi·2 min·Interstate Highway 35
Use the straight / slight right lanes.
10
Continue on I 35
48 mi·52 min·Purple Heart Trail
Use the straight / slight right lanes.
11
Keep slight right at fork onto I 35; US 290
96 mi·1 hr 40 min·Purple Heart Trail
Use the straight / slight right lanes.
12
Continue on I 35
6.6 mi·7 min·South Jack Kultgen Expressway
Use the straight / slight right lanes.
13
Continue on I 35; US 77
33 mi·33 min·Purple Heart Trail
Use the straight / slight right lanes.
14
Keep slight right at fork onto I 35E
56 mi·58 min·I 35E
Toward I 35E: DallasUse the slight right lane.
15
Take the exit
0.4 mi·41 sec
Exit 427AToward I 30 East: Texarkana, Riverfront Boulevard, Griffin StreetUse the slight right lane.
16
Keep slight left at fork
422 ft·5 sec
Toward I 35E North, I 30 West: Denton, Fort Worth, Texarkana
17
Keep slight right at fork
0.4 mi·32 sec
Toward I 30 East: Texarkana, Convention Center
18
Keep slight left at fork
385 ft·6 sec
Toward I 30 East: Texarkana
19
Continue on I 30; US 67
7.5 mi·9 min·East R L Thornton Freeway
Use the straight / slight right lanes.
20
Keep slight left at fork onto I 30; US 67
14 mi·16 min·East R L Thornton Freeway
Toward I 30 East: TexarkanaUse the straight / right lanes.
21
Take the exit
0.3 mi·39 sec
Exit 67BToward FM 740: Ridge RoadUse the slight right lane.
22
Turn straight onto East Interstate 30
0.1 mi·14 sec·East Interstate 30
23
Turn left onto FM 740
1.8 mi·3 min·Ridge Road
Use the left lane.
24
Turn left onto TX 205
0.7 mi·1 min·South Goliad Street
Use the left / straight lanes.
25
Turn right onto TX 66
519 ft·19 sec·East Washington Street
26
Turn left onto TX 66
264 ft·9 sec·South Fannin Street
27
Turn left onto TX 66
301 ft·5 sec·East Rusk Street
28
Turn right
53 ft·3 sec
29
Arrive at destination
Trip Plan
With an 8-hour drive time, splitting this trip into two days is a practical approach. Consider departing Laredo in the morning to cover about half the distance, aiming for a stop around the halfway point. This allows for a more relaxed pace and ensures you have daylight for the second leg. Keep an eye on your fuel levels, especially during the longer stretches on surface roads where services might be less frequent. The fuel cost estimate of $62 is based on the total distance, so plan accordingly.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 226.1 miles from Laredo, TX, or about 3h 59m into the drive.
The longest continuous stretch on this route runs about 332.7 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 99 miles or 1h 41m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 226.1 miles or 3h 59m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 226.1 miles or 3h 59m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 6h 53m
Traffic, exits, and arrival timing usually matter more near Rockwall, TX than in the middle of the route.
Before You Leave
+
Open the route before leaving Laredo, 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.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from Laredo, TX
Aim for roughly 226 miles and 4 hours of wheel time on this day.
Day 2
Finish the approach into Rockwall, TX
Aim for roughly 226 miles and 4 hours of wheel time on this day.
Your first comfortable stop window is around 99 miles from Laredo, TX.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on Purple Heart Trail for about 332.7 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 18
5 decision points cluster between mile 155.9 and 435.2 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
155.9 mi into trip|~2h 41m in|I 35 / South Pan Am Expressway
Keep slight right at fork onto I 35 / South Pan Am Expressway toward I 37, US 281: Upper Level, Corpus Christi, Johnson City
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight lane.
Toward I 37, US 281: Upper Level, Corpus Christ...
7
166.4 mi into trip|~2h 54m in|North Pan Am Expressway
Keep slight left at fork onto North Pan Am Expressway toward I 35: Austin
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 35: Austin
7
370.6 mi into trip|~6h 31m 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
426.8 mi into trip|~7h 29m 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...
7
435.2 mi into trip|~7h 40m 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
Fuel & Cost
Regular Gas
$61.94 one way
$123.87 round trip
$3.48/gal25.4 MPG avg158 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$3.89
$69.18
$138.37
premium
$4.23
$75.22
$150.44
diesel
$4.80
$85.38
$170.77
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$62
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$192–$302
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 158.2 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $47 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
135.7
1
$47.48
$21.71
Efficient EV
113.1
1
$39.57
$18.09
EV Truck/SUV
180.9
2
$63.31
$28.94
Gas CO2
158 kg
EV CO2
53 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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 Jul 15, 2026
Origin
Laredo, TX
Evening
in Laredo on Monday
Local time
7:55 PM
CDT
Current temp
95°F
Mostly Cloudy
SSE 14 mph10% chanceLive forecast
Tornado Warning
Tornado Warning issued July 15 at 6:01PM CDT until July 15 at 6:15PM CDT by NWS Austin/San Antonio TX
Dust Advisory
Dust Advisory issued July 15 at 4:59PM MDT until July 15 at 7:00PM MDT by NWS El Paso Tx/Santa Teresa NM
Destination
Rockwall, TX
Evening
in Rockwall on Monday
Local time
7:55 PM
CDT
Current temp
73°F
Slight Chance Showers And Thunderstorms then Mostly Cloudy
S 5 to 10 mph24% chanceLive forecast
Tornado Warning
Tornado Warning issued July 15 at 6:01PM CDT until July 15 at 6:15PM CDT by NWS Austin/San Antonio TX
Dust Advisory
Dust Advisory issued July 15 at 4:59PM MDT until July 15 at 7:00PM MDT by NWS El Paso Tx/Santa Teresa NM
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.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
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
22 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
8h 2m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
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...
Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...
9 mi from route
~23 min detour
Free
near mile 155.9
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
About 75% of this 452.2-mile drive will be on surface roads, with only 25% on highways like I 35E. You'll encounter the longest continuous stretch, 332.7 miles, on the Purple Heart Trail. Be prepared for the transition from the more rural feel of the Purple Heart Trail to the denser traffic and more frequent exits characteristic of I 35E as you approach the Dallas-Fort Worth metroplex.
Only 25% highway — the rest is turn-by-turn surface driving.
29 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 332.7 mi on Purple Heart Trail.
How Hard Is This Drive?
7/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 155.9 miles in near I 35 / South Pan Am Expressway.
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 18 significant decision points across 452.2 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 155.9 miles (I 35 / South Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 166.4 miles (North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 370.6 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here.
Elevation Profile
Mostly flat terrain
840 ft413 ft
Total Climb
825 ft
Total Descent
647 ft
Highest Point
840 ft
~258.4 mi in
Elevation Range
427 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Laredo, TX and Rockwall, TX, road signs point toward Corpus Christi, Johnson City, Fort Worth, Texarkana and Convention Center.
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 332.7 miles on Purple Heart Trail. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 226 miles on day one.
Yes — we found about 1 rest area or service plaza within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
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 Rockwall, 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 2 meaningful breaks. There are 1 rest area along the route for bathroom stops.
The main spots that need attention: at 155.9 miles (I 35 / South Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 166.4 miles (North Pan Am Expressway): Highway fork - watch signs carefully. Lane positioning matters here; at 370.6 miles (I 35E): Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Waco Mammoth National Monument and San Antonio Missions National Historical Park. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 8.0 hours each way, a round trip means 16.1 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Rockwall, TX before the return drive.
