How far is Laredo, TX from South Houston, TX?
The driving distance from Laredo, TX to South Houston, TX is about 321.5 miles (517.4 km), with a travel time of about 06h 19m by car.
- The straight-line flight distance is about 298.9 miles (481.1 km).
- For a round trip, plan for roughly 12h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 06h 19m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Texas, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Rain Showers then Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Laredo and South Houston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Laredo and South Houston.
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1
Start on Matamoros Street
1544 ft · 46 sec · Matamoros Street
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2
Turn left onto San Dario Avenue
553 ft · 11 sec · San Dario Avenue
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3
Continue on San Dario Avenue
1 km · 1 min · San Dario Avenue
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4
Turn right onto Park Street
1727 ft · 35 sec · Park Street
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5
Continue on Clark Boulevard
3 mi · 6 min · Clark Boulevard
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6
Turn left onto Bob Bullock Loop
1.3 km · 1 min · Bob Bullock Loop
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7
Take the ramp slight right
71 m · 6 sec
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8
Merge slight left onto East Saunders Street
1.1 mi · 2 min · East Saunders Street
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9
Continue on Lloyd Bentsen Highway
57.6 mi · 1 hr 1 min · Lloyd Bentsen Highway
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10
Turn left
66.6 mi · 1 hr 18 min
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11
Continue on West Houston Street
1.6 mi · 4 min · West Houston Street
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12
Continue on US Highway 59 East
47.7 mi · 53 min · US Highway 59 East
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13
Take the exit left toward Northwest Zac Lentz Parkway
2904 ft · 1 min · Northwest Zac Lentz Parkway
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14
Merge slight left
93.2 mi · 1 hr 44 min
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15
Take the exit slight right
1551 ft · 38 sec
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16
Continue on 59 Northbound Frontage Road
1.6 mi · 2 min · 59 Northbound Frontage Road
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17
Continue straight
2146 ft · 59 sec
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18
Continue on US 59 Northbound Frontage Road
2 mi · 5 min · US 59 Northbound Frontage Road
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19
Continue on Southwest Freeway Frontage Road
1.3 mi · 3 min · Southwest Freeway Frontage Road
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20
Take the ramp slight left toward I 69 North, US 59 North
1304 ft · 32 sec
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21
Merge slight left onto Southwest Freeway
16.7 mi · 18 min · Southwest Freeway
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22
Take the exit slight right toward US 90 Alt: Sugar Land, Stafford
3198 ft · 1 min
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23
Turn straight onto Southwest Freeway Frontage Road
1021 ft · 22 sec · Southwest Freeway Frontage Road
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24
Take the ramp slight right
1044 ft · 29 sec
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25
Merge slight left onto Main Street
11.5 mi · 15 min · Main Street
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26
Turn right onto South Loop West Frontage Road
1.1 km · 1 min · South Loop West Frontage Road
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27
Take the ramp straight toward I 610 East
787 ft · 19 sec
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28
Merge slight left onto South Loop West
7.7 mi · 10 min · South Loop West
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29
Take the exit slight right toward I 45 South: Galveston
1877 ft · 46 sec
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30
Merge slight left onto Gulf Freeway
1.9 mi · 2 min · Gulf Freeway
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31
Take the exit slight right toward TX 3: Monroe Road
737 ft · 18 sec
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32
Turn straight onto Gulf Freeway Frontage Road
1530 ft · 31 sec · Gulf Freeway Frontage Road
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33
Turn left onto Monroe Road
991 ft · 25 sec · Monroe Road
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34
Continue on Winkler Drive
1.1 mi · 2 min · Winkler Drive
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35
Turn right onto Galveston Road
1 km · 59 sec · Galveston Road
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36
Arrive at your destination
0 m · 1 sec · Galveston Road
Car Route Details
A richer read on the saved driving route between Laredo and South Houston.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Northwest Zac Lentz Parkway
Merge slight left
93.2 mi · 01h 44m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Chance Showers And Thunderstorms leaving Laredo and Chance Rain Showers then Mostly Cloudy near South Houston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Laredo to South Houston?
The road trip is about 321.5 miles (517.4 km) and usually takes 06h 19m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Goliad is a useful midpoint, sitting about 160.7 miles from Laredo and 160.8 miles from South Houston.
How much longer is the road route than the straight-line distance?
The direct path is about 298.9 miles (481.1 km), while the road route adds roughly 22.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $42.85 one way or $85.71 round trip. Estimated CO2 is about 100.8 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Laredo and Chance Rain Showers then Mostly Cloudy near South Houston.
Flight Path Map
This map shows the direct air route between Laredo and South Houston. Straight-line distance: 298.94 mi (481.09 km).
#1 Laredo
The third most populous city in Texas and the center of the Laredo metropolitan area.
| Population | 263,640 |
| Coordinates | 27.5064100, -99.5075400 |
| Altitude | 126 |
| Country | United States |
#2 South Houston
City in Harris County, Texas, United States
| Population | 17,446 |
| Coordinates | 29.6630100, -95.2354900 |
| Altitude | 9 |
| Country | United States |
End: South Houston (-95.23549, 29.66301)
Estimated Travel Time
Distance: 517 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 42m |
| 40 mph (64.37 km/h) | 08h 02m |
| 50 mph (80.47 km/h) | 06h 25m |
| 60 mph (96.56 km/h) | 05h 21m |
| 70 mph (112.65 km/h) | 04h 35m |
| 80 mph (129 km/h) | 04h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $42.85 | $85.71 |
| Mid-grade | $4.25 | $48.22 | $96.44 |
| Premium | $4.59 | $52.06 | $104.12 |
| Diesel | $3.99 | $45.28 | $90.56 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.