How far is Laredo, TX from South Alamo, TX?
The driving distance from Laredo, TX to South Alamo, TX is about 155.2 miles (249.8 km), with a travel time of about 03h 05m by car.
- The straight-line flight distance is about 127 miles (204.4 km).
- For a round trip, plan for roughly 06h 10m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 03h 05m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Starr County, Texas, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Laredo and South Alamo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Laredo and South Alamo.
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1
Start on Matamoros Street
1.1 km · 1 min · Matamoros Street
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2
Continue on Chihuahua Street
1 mi · 2 min · Chihuahua Street
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3
Turn right onto North Meadow Avenue
2 mi · 4 min · North Meadow Avenue
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4
Turn right onto South Zapata Highway
5.4 mi · 8 min · South Zapata Highway
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5
Continue on US Highway 83 South
14.2 mi · 16 min · US Highway 83 South
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6
Continue on United States Highway 83
54.3 mi · 1 hr 1 min · United States Highway 83
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7
Continue on North Grant Street
17.4 mi · 20 min · North Grant Street
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8
Continue on United States Highway 83
7.7 mi · 9 min · United States Highway 83
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9
Continue on West Main Street
2353 ft · 33 sec · West Main Street
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10
Continue on East Main Street
1.9 mi · 2 min · East Main Street
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11
Continue on East US Highway 83
15.1 mi · 17 min · East US Highway 83
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12
Continue on West Expressway 83
3.1 mi · 4 min · West Expressway 83
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13
Keep slight left to continue on La Joya Bypass
28.5 mi · 32 min · La Joya Bypass
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14
Take the exit slight right toward Tower Road
1280 ft · 31 sec
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15
Turn straight onto East Expressway 83
2140 ft · 47 sec · East Expressway 83
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16
Turn right onto North Tower Road
2.3 mi · 5 min · North Tower Road
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17
Turn left onto El Gato Road
2301 ft · 1 min · El Gato Road
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18
Turn left onto 2nd Street
640 ft · 28 sec · 2nd Street
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19
Arrive at your destination
0 m · 1 sec · 2nd Street
Car Route Details
A richer read on the saved driving route between Laredo and South Alamo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
United States Highway 83
Continue on United States Highway 83
54.3 mi · 01h 01m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Laredo and Mostly Sunny then Chance Showers And Thunderstorms near South Alamo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Laredo to South Alamo?
The road trip is about 155.2 miles (249.8 km) and usually takes 03h 05m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Roma is a useful midpoint, sitting about 77.7 miles from Laredo and 77.5 miles from South Alamo.
How much longer is the road route than the straight-line distance?
The direct path is about 127 miles (204.4 km), while the road route adds roughly 28.2 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:50 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.71 one way or $41.42 round trip. Estimated CO2 is about 48.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Laredo and Mostly Sunny then Chance Showers And Thunderstorms near South Alamo.
Stop Ideas Near Roma
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 Roma.
McAllen, Texas
Flight Path Map
This map shows the direct air route between Laredo and South Alamo. Straight-line distance: 127.01 mi (204.4 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 Alamo
Census designated place
| Population | 3,361 |
| Coordinates | 26.1570200, -98.1086200 |
| Altitude | 29 |
| Country | United States |
End: South Alamo (-98.10862, 26.15702)
Estimated Travel Time
Distance: 250 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 10m |
| 40 mph (64.37 km/h) | 03h 52m |
| 50 mph (80.47 km/h) | 03h 06m |
| 60 mph (96.56 km/h) | 02h 35m |
| 70 mph (112.65 km/h) | 02h 13m |
| 80 mph (129 km/h) | 01h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $20.71 | $41.42 |
| Mid-grade | $4.25 | $23.30 | $46.60 |
| Premium | $4.59 | $25.16 | $50.32 |
| Diesel | $3.99 | $21.88 | $43.76 |
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 · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.