How far is San Carlos, TX from Laredo, TX?

The driving distance from San Carlos, TX to Laredo, TX is about 156.6 miles (252 km), with a travel time of about 03h 00m by car.

  • The straight-line flight distance is about 121.7 miles (195.9 km).
  • For a round trip, plan for roughly 06h 00m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
156.56 mi
03h 00m
Flight
121.75 mi
195.93 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from San Carlos.

Flight Distance

Direct air line
121.75 mi
Kilometers
195.93 km
Flight Time
00h 14m

Driving Distance

Road route
156.56 mi
Kilometers
251.96 km
Drive Time
03h 00m

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 00m.

Arrival Snapshot
Arrive in Laredo
Fri, Nov 6, 6:30 PM CST
Return by in San Carlos
Fri, Nov 6, 9:31 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Carlos
2026-11-06T15:30
Arrive Laredo
Fri, Nov 6, 6:30 PM CST
Route Timing
03h 00m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CST
Aim for a morning departure
Arrive between
11:00 AM to 1:00 PM CST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:30 PM CST
Keeps a same-day return open with about 03h 00m at the destination.
Back in San Carlos
9:30 PM CST
Morning start is best

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.

Mid-route stop
Roma
TX

City in Starr County, Texas, United States of America

From San Carlos
80 mi
01h 30m
To Laredo
76.6 mi
01h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Today

Showers And Thunderstorms Likely

Starts
Fri, Nov 6 8:00 AM CST
Wind
6 to 12 mph N
Destination
80°F
Friday

Chance Rain Showers then Partly Sunny

Starts
Fri, Nov 6 6:00 AM CST
Wind
3 to 13 mph N

Driving Route Map

The map below follows the saved road route between San Carlos and Laredo.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Carlos and Laredo.

  1. 1

    Start on the route

    1.2 mi · 2 min

  2. 2

    Turn right onto Richardson Road

    1.5 km · 1 min · Richardson Road

  3. 3

    Continue on East Schunior Street

    2604 ft · 40 sec · East Schunior Street

  4. 4

    Continue on East Richardson Street

    1.4 km · 1 min · East Richardson Street

  5. 5

    Continue on East Richardson Road

    1.2 mi · 2 min · East Richardson Road

  6. 6

    Continue on East Schunior Street

    116 m · 16 sec · East Schunior Street

  7. 7

    Turn left onto North Expressway 281

    139 m · 9 sec · North Expressway 281

  8. 8

    Take the ramp straight toward I 69C South, US 281 South

    1419 ft · 35 sec

  9. 9

    Merge slight left

    6.7 mi · 7 min

  10. 10

    Take the exit slight right toward US 281 South, TX 495: Pharr

    1.3 km · 2 min

  11. 11

    Merge slight right

    42.1 mi · 48 min

  12. 12

    Continue on East Main Street

    1.3 mi · 2 min · East Main Street

  13. 13

    Continue on East 2nd Street

    2898 ft · 42 sec · East 2nd Street

  14. 14

    Continue on West 2nd Street

    2666 ft · 37 sec · West 2nd Street

  15. 15

    Continue on United States Highway 83

    7.7 mi · 9 min · United States Highway 83

  16. 16

    Continue on East Grant Street

    4.7 mi · 6 min · East Grant Street

  17. 17

    Turn slight right onto Garcia Street

    12.6 mi · 14 min · Garcia Street

  18. 18

    Continue on United States Highway 83

    54.3 mi · 1 hr 1 min · United States Highway 83

  19. 19

    Continue on North US Highway 83

    14.2 mi · 16 min · North US Highway 83

  20. 20

    Continue on South Zapata Highway

    5.4 mi · 8 min · South Zapata Highway

  21. 21

    Turn left onto South Meadow Avenue

    2.1 mi · 5 min · South Meadow Avenue

  22. 22

    Turn left onto Guadalupe Street

    1 mi · 2 min · Guadalupe Street

  23. 23

    Continue on Houston Street

    1.1 km · 2 min · Houston Street

  24. 24

    Turn left onto Salinas Avenue

    83 m · 12 sec · Salinas Avenue

  25. 25

    Turn left onto Matamoros Street

    93 m · 5 sec · Matamoros Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · Matamoros Street

Car Route Details

A richer read on the saved driving route between San Carlos and Laredo.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
26 steps
7 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
16.6 / 100 mi
Decision points by distance
Main Roads
United States Highway 83
62 mi · 40%
US 281 South
42.9 mi · 27%
North US Highway 83
14.2 mi · 9%
Garcia Street
12.6 mi · 8%
I 69C South
6.92 mi · 4%
South Zapata Highway
5.37 mi · 3%
Longest Stretch

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.

Trip Read

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.

Drive Time
03h 00m
Day trip friendly
Same-Day Return
06h 00m
Round-trip wheel time
Road vs Air
+34.9 mi
121.7 mi direct line
Halfway Stop
Roma
01h 30m from San Carlos
Leave By
12:30 PM CST
Morning start is best
Weather Watch

Showers And Thunderstorms Likely leaving San Carlos and Chance Rain Showers then Partly Sunny near Laredo.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Carlos to Laredo?

The road trip is about 156.6 miles (252 km) and usually takes 03h 00m 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?

Roma is a useful midpoint, sitting about 80 miles from San Carlos and 76.6 miles from Laredo.

How much longer is the road route than the straight-line distance?

The direct path is about 121.7 miles (195.9 km), while the road route adds roughly 34.9 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 CST. If you want a more comfortable same-day return, try to leave by 12:30 PM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $19.77 one way or $39.53 round trip. Estimated CO2 is about 49.1 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around San Carlos and Chance Rain Showers then Partly Sunny near Laredo.

Stop Ideas Near Roma

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Roma, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Roma.

BUS

McAllen, Texas

81 mi away
1501 West US Hwy 83 Business

Flight Path Map

This map shows the direct air route between San Carlos and Laredo. Straight-line distance: 121.75 mi (195.93 km).

Photo coming soon

#1 San Carlos

San Carlos is a place in Texas, United States.

Population0
Coordinates26.2956300, -98.0719500
Altitude23
CountryUnited States
Laredo

#2 Laredo

The third most populous city in Texas and the center of the Laredo metropolitan area.

Population263,640
Coordinates27.5064100, -99.5075400
Altitude126
CountryUnited States
Start: TX 107 (-98.071954, 26.295611)
End: Matamoros Street (-99.507507, 27.506385)

Estimated Travel Time

Distance: 252 km by road

SpeedTime
30 mph (48.3 km/h)05h 12m
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.

One-way fuel
5.52 gal
20.91 L · about $19.77
Round trip
$39.53
11.04 gal · 41.82 L
Estimated CO2
49.1 kg one way
Round trip: 98.1 kg / 216 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.58 $19.77 $39.53
Mid-grade $4.09 $22.60 $45.20
Premium $4.47 $24.69 $49.37
Diesel $5.68 $31.36 $62.73

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 · Nov 06, 2026

There is no time difference between San Carlos and Laredo. The current time is 15:30:57.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.