How far is San Antonio, TX from Laredo, TX?
The driving distance from San Antonio, TX to Laredo, TX is about 158.6 miles (255.2 km), with a travel time of about 02h 22m by car.
- The straight-line flight distance is about 146.1 miles (235.1 km).
- For a round trip, plan for roughly 04h 44m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 22m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Frio County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Antonio and Laredo.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Laredo.
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1
Start on Dolorosa Street
44 m · 5 sec · Dolorosa Street
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2
Continue on West Market Street
1042 ft · 28 sec · West Market Street
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3
Turn left onto Navarro Street
76 m · 12 sec · Navarro Street
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4
Turn left onto East Commerce Street
2662 ft · 1 min · East Commerce Street
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5
Turn left onto South Santa Rosa Street
2853 ft · 1 min · South Santa Rosa Street
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6
Continue on South Laredo Street
131 m · 9 sec · South Laredo Street
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7
Turn right
45 m · 7 sec
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8
Turn straight onto Guadalupe Street
121 m · 15 sec · Guadalupe Street
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9
Take the ramp left toward I 35 South, I 10 East
1085 ft · 27 sec
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10
Merge slight left onto South Pan Am Expressway
10 mi · 12 min · South Pan Am Expressway
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11
Continue on Purple Heart Trail
144.5 mi · 2 hr 26 min · Purple Heart Trail
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12
Turn right onto Houston Street
1607 ft · 42 sec · Houston Street
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13
Turn left onto Salinas Avenue
83 m · 12 sec · Salinas Avenue
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14
Turn left onto Matamoros Street
93 m · 5 sec · Matamoros Street
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15
Arrive at your destination
0 m · 1 sec · Matamoros Street
Car Route Details
A richer read on the saved driving route between San Antonio and Laredo.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Purple Heart Trail
Continue on Purple Heart Trail
144 mi · 02h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Slight Chance Rain Showers leaving San Antonio and Chance Showers And Thunderstorms near Laredo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Laredo?
The road trip is about 158.6 miles (255.2 km) and usually takes 02h 22m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Dilley is a useful midpoint, sitting about 78.5 miles from San Antonio and 80.1 miles from Laredo.
How much longer is the road route than the straight-line distance?
The direct path is about 146.1 miles (235.1 km), while the road route adds roughly 12.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.16 one way or $42.32 round trip. Estimated CO2 is about 49.8 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around San Antonio and Chance Showers And Thunderstorms near Laredo.
Stop Ideas Near Dilley
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dilley.
San Antonio Station
Flight Path Map
This map shows the direct air route between San Antonio and Laredo. Straight-line distance: 146.11 mi (235.14 km).
#1 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
#2 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 |
End: Matamoros Street (-99.507507, 27.506385)
Estimated Travel Time
Distance: 255 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 16m |
| 40 mph (64.37 km/h) | 03h 57m |
| 50 mph (80.47 km/h) | 03h 10m |
| 60 mph (96.56 km/h) | 02h 38m |
| 70 mph (112.65 km/h) | 02h 15m |
| 80 mph (129 km/h) | 01h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $21.16 | $42.32 |
| Mid-grade | $4.25 | $23.81 | $47.62 |
| Premium | $4.59 | $25.71 | $51.42 |
| Diesel | $3.99 | $22.36 | $44.72 |
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.