How far is Laredo, TX from Sulphur Springs, TX?

The driving distance from Laredo, TX to Sulphur Springs, TX is about 508.4 miles (818.2 km), with a travel time of about 08h 58m by car.

  • The straight-line flight distance is about 453.5 miles (729.8 km).
  • For a round trip, plan for roughly 17h 56m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
508.42 mi
08h 58m
Flight
453.45 mi
729.76 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Laredo.

Flight Distance

Direct air line
453.45 mi
Kilometers
729.76 km
Flight Time
00h 54m

Driving Distance

Road route
508.42 mi
Kilometers
818.23 km
Drive Time
08h 58m

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 08h 58m.

Arrival Snapshot
Arrive in Sulphur Springs
Sat, Apr 18, 9:03 AM CDT
Return by in Laredo
Sat, Apr 18, 6:01 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Laredo
2026-04-18T00:05
Arrive Sulphur Springs
Sat, Apr 18, 9:03 AM CDT
Route Timing
08h 58m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
2:58 PM to 4:28 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
6:04 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Laredo
8:00 PM CDT
Overnight-style route

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
Round Rock
TX

The fourth most populous city in Williamson County, Texas.

From Laredo
254.6 mi
04h 29m
To Sulphur Springs
253.9 mi
04h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
92°F
Saturday

Partly Sunny

Starts
Sat, Apr 18 6:00 AM CDT
Wind
6 to 10 mph ESE
Destination
71°F
Saturday

Chance Showers And Thunderstorms

Starts
Sat, Apr 18 6:00 AM CDT
Wind
15 mph WNW

Driving Route Map

The map below follows the saved road route between Laredo and Sulphur Springs.

Turn-by-Turn Driving Directions

Step-by-step road directions between Laredo and Sulphur Springs.

  1. 1

    Start on Matamoros Street

    1544 ft · 46 sec · Matamoros Street

  2. 2

    Turn left onto San Dario Avenue

    553 ft · 11 sec · San Dario Avenue

  3. 3

    Continue on Purple Heart Trail

    144.4 mi · 2 hr 27 min · Purple Heart Trail

  4. 4

    Continue on South Pan Am Expressway

    9.3 mi · 11 min · South Pan Am Expressway

  5. 5

    Keep slight left to continue on South Pan Am Expressway

    1.7 mi · 2 min · South Pan Am Expressway

  6. 6

    Keep slight right to continue on South Pan Am Expressway

    10.5 mi · 13 min · South Pan Am Expressway

  7. 7

    Keep slight left to continue on North Pan Am Expressway

    7.4 mi · 8 min · North Pan Am Expressway

  8. 8

    Continue on Purple Heart Trail

    11.9 mi · 13 min · Purple Heart Trail

  9. 9

    Continue on Interstate Highway 35

    1.9 mi · 2 min · Interstate Highway 35

  10. 10

    Continue on Purple Heart Trail

    47.8 mi · 52 min · Purple Heart Trail

  11. 11

    Keep slight right to continue on Purple Heart Trail

    95.6 mi · 1 hr 40 min · Purple Heart Trail

  12. 12

    Continue on South Jack Kultgen Expressway

    6.6 mi · 8 min · South Jack Kultgen Expressway

  13. 13

    Continue on Purple Heart Trail

    33 mi · 33 min · Purple Heart Trail

  14. 14

    Keep slight right to continue on I 35E: Dallas

    56.2 mi · 58 min

  15. 15

    Take the exit slight right toward I 30 East: Texarkana, Riverfront Boulevard, Griffin Street

    2094 ft · 42 sec

  16. 16

    Keep slight left to continue on I 35E North, I 30 West: Denton, Fort Worth, Texarkana

    129 m · 6 sec

  17. 17

    Keep slight right to continue on I 30 East: Texarkana, Convention Center

    2206 ft · 33 sec

  18. 18

    Keep slight left to continue on I 30 East: Texarkana

    117 m · 6 sec

  19. 19

    Continue on East R L Thornton Freeway

    7.5 mi · 9 min · East R L Thornton Freeway

  20. 20

    Keep slight left to continue on East R L Thornton Freeway

    71 mi · 1 hr 14 min · East R L Thornton Freeway

  21. 21

    Take the exit slight right toward SH 154 , SH 11

    867 ft · 21 sec

  22. 22

    Turn straight onto Shannon Road West

    2032 ft · 48 sec · Shannon Road West

  23. 23

    Turn left onto South Broadway Street

    1948 ft · 35 sec · South Broadway Street

  24. 24

    Continue on Gilmer Street

    1.3 mi · 2 min · Gilmer Street

  25. 25

    Turn right onto Jefferson Street West

    35 m · 2 sec · Jefferson Street West

  26. 26

    Arrive at your destination

    0 m · 1 sec · Jefferson Street West

Car Route Details

A richer read on the saved driving route between Laredo and Sulphur Springs.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
26 steps
4 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
5.1 / 100 mi
Decision points by distance
Main Roads
Purple Heart Trail
333 mi · 65%
East R L Thornton Freeway
78.5 mi · 15%
I 35E
56.2 mi · 11%
South Pan Am Expressway
21.5 mi · 4%
North Pan Am Expressway
7.38 mi · 1%
South Jack Kultgen Expressway
6.63 mi · 1%
Longest Stretch

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.

Trip Read

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.

Drive Time
08h 58m
Overnight route
Same-Day Return
17h 56m
Round-trip wheel time
Road vs Air
+54.9 mi
453.5 mi direct line
Halfway Stop
Round Rock
04h 29m from Laredo
Leave By
6:04 PM CDT
Overnight-style route
Weather Watch

Partly Sunny leaving Laredo and Chance Showers And Thunderstorms near Sulphur Springs.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Laredo to Sulphur Springs?

The road trip is about 508.4 miles (818.2 km) and usually takes 08h 58m 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?

Round Rock is a useful midpoint, sitting about 254.6 miles from Laredo and 253.9 miles from Sulphur Springs.

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

The direct path is about 453.5 miles (729.8 km), while the road route adds roughly 54.9 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 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 $67.80 one way or $135.59 round trip. Estimated CO2 is about 159.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Laredo and Chance Showers And Thunderstorms near Sulphur Springs.

Stop Ideas Near Round Rock

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

Mid-route Guidance
Local place coverage is thin around Round Rock, 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 Round Rock.

RAIL

Taylor

27 mi away
118 East First St.
RAIL

Austin

28 mi away
250 North Lamar Blvd.
BUS

Killeen, Texas

68 mi away
200 East Avenue C
BUS

Fort Hood, Texas

71 mi away
Hood Road & Old Ironsides Ave.

Flight Path Map

This map shows the direct air route between Laredo and Sulphur Springs. Straight-line distance: 453.45 mi (729.76 km).

Laredo

#1 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
Sulphur Springs

#2 Sulphur Springs

City in Texas, USA

Population16,272
Coordinates33.1384500, -95.6010700
Altitude153
CountryUnited States
Start: Laredo (-99.50754, 27.50641)
End: Sulphur Springs (-95.60107, 33.13845)

Estimated Travel Time

Distance: 818 km by road

SpeedTime
30 mph (48.3 km/h)16h 56m
40 mph (64.37 km/h)12h 42m
50 mph (80.47 km/h)10h 10m
60 mph (96.56 km/h)08h 28m
70 mph (112.65 km/h)07h 15m
80 mph (129 km/h)06h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
17.94 gal
67.91 L · about $67.80
Round trip
$135.59
35.88 gal · 135.82 L
Estimated CO2
159.4 kg one way
Round trip: 318.9 kg / 703 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $67.80 $135.59
Mid-grade $4.25 $76.28 $152.56
Premium $4.59 $82.36 $164.73
Diesel $3.99 $71.63 $143.27

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

There is no time difference between Laredo and Sulphur Springs. The current time is 00:05:17.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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