How far is Laredo, TX from San Antonio, TX?
The driving distance from Laredo, TX to San Antonio, TX is about 156.6 miles (252.1 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 45m 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.
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Laredo and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Laredo and San Antonio.
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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 Purple Heart Trail
144.4 mi · 2 hr 27 min · Purple Heart Trail
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4
Continue on South Pan Am Expressway
9.3 mi · 11 min · South Pan Am Expressway
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5
Keep slight left to continue on South Pan Am Expressway
2835 ft · 40 sec · South Pan Am Expressway
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6
Take the exit slight right toward Spur 536: South Alamo Street
619 ft · 15 sec
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7
Turn straight onto South Laredo Street
2093 ft · 46 sec · South Laredo Street
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8
Continue on South Santa Rosa Street
2386 ft · 52 sec · South Santa Rosa Street
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9
Turn right onto Dolorosa Street
1445 ft · 33 sec · Dolorosa Street
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10
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Laredo and San Antonio.
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 27m
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.
Partly Sunny leaving Laredo and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Laredo to San Antonio?
The road trip is about 156.6 miles (252.1 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 78.1 miles from Laredo and 78.5 miles from San Antonio.
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 10.5 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 1:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.90 one way or $41.80 round trip. Estimated CO2 is about 49.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Laredo and Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms near San Antonio.
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 Laredo and San Antonio. Straight-line distance: 146.11 mi (235.14 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 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 |
End: Dolorosa Street (-98.493645, 29.424163)
Estimated Travel Time
Distance: 252 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 13m |
| 40 mph (64.37 km/h) | 03h 54m |
| 50 mph (80.47 km/h) | 03h 07m |
| 60 mph (96.56 km/h) | 02h 36m |
| 70 mph (112.65 km/h) | 02h 14m |
| 80 mph (129 km/h) | 01h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $20.90 | $41.80 |
| Mid-grade | $4.25 | $23.51 | $47.03 |
| Premium | $4.59 | $25.39 | $50.78 |
| Diesel | $3.99 | $22.08 | $44.16 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.