How far is Port Isabel, TX from Laredo, TX?
The driving distance from Port Isabel, TX to Laredo, TX is about 228 miles (367 km), with a travel time of about 03h 57m by car.
- The straight-line flight distance is about 172.9 miles (278.3 km).
- For a round trip, plan for roughly 07h 54m 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 57m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Port Isabel and Laredo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Port Isabel and Laredo.
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1
Start on South Musina Street
985 ft · 33 sec · South Musina Street
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2
Turn left onto West Queen Isabella Boulevard
741 ft · 23 sec · West Queen Isabella Boulevard
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3
Turn straight onto State Highway 100
1 mi · 3 min · State Highway 100
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4
Turn left
14.1 mi · 15 min
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5
Take the exit slight right toward TX 550
936 ft · 23 sec
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6
Keep slight right to continue on TX 550
14 m · 1 sec
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7
Turn right onto State Highway 550
3.6 mi · 4 min · State Highway 550
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8
Continue straight
1.9 mi · 2 min
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9
Continue on I-169, TX 550 Toll
1.5 km · 59 sec · I-169, TX 550 Toll
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10
Continue on Interstate 169
3.6 mi · 4 min · Interstate 169
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11
Merge slight left onto North Expressway
2.2 mi · 2 min · North Expressway
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12
Continue on U.S. Highway 77
13.2 mi · 15 min · U.S. Highway 77
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13
Take the exit slight right toward I 2 West, US 83: McAllen
88 mi · 1 hr 40 min
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14
Turn slight right onto Garcia Street
12.6 mi · 14 min · Garcia Street
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15
Continue on United States Highway 83
54.3 mi · 1 hr 1 min · United States Highway 83
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16
Continue on North US Highway 83
14.2 mi · 16 min · North US Highway 83
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17
Continue on South Zapata Highway
5.4 mi · 8 min · South Zapata Highway
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18
Turn left onto South Meadow Avenue
2.1 mi · 5 min · South Meadow Avenue
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19
Turn left onto Guadalupe Street
1 mi · 2 min · Guadalupe Street
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20
Continue on Houston Street
1.1 km · 2 min · Houston Street
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21
Turn left onto Salinas Avenue
83 m · 12 sec · Salinas Avenue
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22
Turn left onto Matamoros Street
93 m · 5 sec · Matamoros Street
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23
Arrive at your destination
0 m · 1 sec · Matamoros Street
Car Route Details
A richer read on the saved driving route between Port Isabel and Laredo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 2 West
Take the exit slight right toward I 2 West, US 83: McAllen
88 mi · 01h 40m
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.
Showers And Thunderstorms Likely leaving Port Isabel 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 Port Isabel to Laredo?
The road trip is about 228 miles (367 km) and usually takes 03h 57m 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?
La Puerta is a useful midpoint, sitting about 109.8 miles from Port Isabel and 118.2 miles from Laredo.
How much longer is the road route than the straight-line distance?
The direct path is about 172.9 miles (278.3 km), while the road route adds roughly 55.1 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 9:06 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.42 one way or $60.84 round trip. Estimated CO2 is about 71.5 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Port Isabel and Chance Showers And Thunderstorms near Laredo.
Stop Ideas Near La Puerta
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 La Puerta.
McAllen, Texas
Harlingen, Texas
Flight Path Map
This map shows the direct air route between Port Isabel and Laredo. Straight-line distance: 172.93 mi (278.31 km).
#1 Port Isabel
City in Cameron County, Texas, United States
| Population | 6,226 |
| Coordinates | 26.0734100, -97.2085800 |
| Altitude | 2 |
| 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: 367 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 35m |
| 40 mph (64.37 km/h) | 05h 42m |
| 50 mph (80.47 km/h) | 04h 33m |
| 60 mph (96.56 km/h) | 03h 48m |
| 70 mph (112.65 km/h) | 03h 15m |
| 80 mph (129 km/h) | 02h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $30.42 | $60.84 |
| Mid-grade | $4.25 | $34.23 | $68.46 |
| Premium | $4.59 | $36.96 | $73.92 |
| Diesel | $3.99 | $32.14 | $64.29 |
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.