How far is Laredo, TX from San Leon, TX?
The driving distance from Laredo, TX to San Leon, TX is about 346.8 miles (558.1 km), with a travel time of about 06h 49m by car.
- The straight-line flight distance is about 310.1 miles (499.1 km).
- For a round trip, plan for roughly 13h 38m 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 49m.
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.
Partly Sunny
Mostly Cloudy then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Laredo and San Leon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Laredo and San Leon.
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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
20.1 mi · 22 min · Southwest Freeway
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22
Take the exit slight right toward Sam Houston Tollway
1215 ft · 17 sec
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23
Keep slight right
1 km · 53 sec
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24
Merge slight left onto South Sam Houston Parkway West
779 ft · 10 sec · South Sam Houston Parkway West
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25
Continue on South Sam Houston Tollway West
21 mi · 24 min · South Sam Houston Tollway West
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26
Continue on South Sam Houston Parkway East
1273 ft · 17 sec · South Sam Houston Parkway East
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27
Take the exit slight right toward I 45 North, I 45 South: Houston, Galveston
1.1 km · 51 sec
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28
Keep slight right to continue on I 45 South: Galveston
3257 ft · 58 sec
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29
Merge slight left onto Gulf Freeway
11.8 mi · 14 min · Gulf Freeway
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30
Take the exit slight right toward FM 517: Dickinson
1204 ft · 29 sec
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31
Turn straight onto South Gulf Freeway Frontage Road
1.4 km · 2 min · South Gulf Freeway Frontage Road
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32
Turn left onto Pine Drive
1.5 mi · 2 min · Pine Drive
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33
Continue on Pine Street
1717 ft · 31 sec · Pine Street
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34
Continue on Main Street
2280 ft · 40 sec · Main Street
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35
Turn slight right onto 41st Street East
4.2 mi · 6 min · 41st Street East
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36
Continue on Avenue S
1.6 mi · 3 min · Avenue S
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37
Turn slight right
2.8 mi · 5 min
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38
Arrive at your destination
0 m · 1 sec · Avenue I
Car Route Details
A richer read on the saved driving route between Laredo and San Leon.
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.
Partly Sunny leaving Laredo and Mostly Cloudy then Chance Showers And Thunderstorms near San Leon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Laredo to San Leon?
The road trip is about 346.8 miles (558.1 km) and usually takes 06h 49m 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 173.4 miles from Laredo and 173.4 miles from San Leon.
How much longer is the road route than the straight-line distance?
The direct path is about 310.1 miles (499.1 km), while the road route adds roughly 36.7 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 $46.25 one way or $92.51 round trip. Estimated CO2 is about 108.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Laredo and Mostly Cloudy then Chance Showers And Thunderstorms near San Leon.
Flight Path Map
This map shows the direct air route between Laredo and San Leon. Straight-line distance: 310.1 mi (499.06 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 San Leon
Census designated place
| Population | 4,970 |
| Coordinates | 29.4832900, -94.9221500 |
| Altitude | 3 |
| Country | United States |
End: San Leon (-94.92215, 29.48329)
Estimated Travel Time
Distance: 558 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 33m |
| 40 mph (64.37 km/h) | 08h 40m |
| 50 mph (80.47 km/h) | 06h 56m |
| 60 mph (96.56 km/h) | 05h 46m |
| 70 mph (112.65 km/h) | 04h 57m |
| 80 mph (129 km/h) | 04h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $46.25 | $92.51 |
| Mid-grade | $4.25 | $52.04 | $104.09 |
| Premium | $4.59 | $56.19 | $112.39 |
| Diesel | $3.99 | $48.87 | $97.75 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.