How far is Garland, TX from Port Isabel, TX?
The driving distance from Garland, TX to Port Isabel, TX is about 652 miles (1049.3 km), with a travel time of about 12h 33m by car.
- The straight-line flight distance is about 536.2 miles (863 km).
- For a round trip, plan for roughly 25h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 12h 33m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Town in Fayette County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Garland and Port Isabel.
Turn-by-Turn Driving Directions
Step-by-step road directions between Garland and Port Isabel.
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1
Start on the route
2.1 mi · 5 min
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2
At the end of the road, turn right onto US Highway 259 South
16.3 mi · 24 min · US Highway 259 South
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3
Take the ramp right
2301 ft · 56 sec
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4
Merge slight left
17.1 mi · 17 min
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5
Take the exit slight right toward US 271 to US 67, SH 49, FM 1734: Mount Pleasant, Paris, Pittsburg
1245 ft · 30 sec
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6
Turn straight onto Lakewood Drive
1111 ft · 27 sec · Lakewood Drive
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7
Turn left onto West Ferguson Road
2688 ft · 59 sec · West Ferguson Road
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8
Turn straight onto Bill Ratliff Freeway
5.5 mi · 6 min · Bill Ratliff Freeway
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9
Continue on South US Highway 271
4.2 mi · 5 min · South US Highway 271
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10
Continue straight
22.6 mi · 26 min
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11
Turn straight
13.4 mi · 15 min
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12
Turn right onto West Broadway Street
1.4 km · 1 min · West Broadway Street
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13
Turn left
12.6 mi · 15 min
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14
Turn right onto US Highway 271
5.5 mi · 7 min · US Highway 271
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15
Continue on East Gentry Parkway
1.5 mi · 2 min · East Gentry Parkway
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16
Continue on North Beckham Avenue
1.6 km · 2 min · North Beckham Avenue
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17
Turn right onto East Front Street
1962 ft · 42 sec · East Front Street
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18
Turn left onto South Broadway Avenue
1 mi · 2 min · South Broadway Avenue
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19
Turn right onto West Fourth Street
2096 ft · 35 sec · West Fourth Street
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20
Continue on West Glenwood Boulevard
1279 ft · 30 sec · West Glenwood Boulevard
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21
Turn left onto South Vine Avenue
1970 ft · 36 sec · South Vine Avenue
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22
Continue on Frankston Highway
2 mi · 3 min · Frankston Highway
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23
Continue on State Highway 155 South
19.2 mi · 22 min · State Highway 155 South
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24
Continue on North Frankston Highway
1.5 mi · 2 min · North Frankston Highway
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25
Continue on North Elm Street
2213 ft · 31 sec · North Elm Street
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26
Continue on State Highway 155
20.7 mi · 24 min · State Highway 155
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27
Continue on North Link Street
1290 ft · 26 sec · North Link Street
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28
Turn right onto East Palestine Avenue
2.1 mi · 3 min · East Palestine Avenue
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29
Continue on West Oak Street
11.7 mi · 14 min · West Oak Street
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30
Turn straight
75.4 mi · 1 hr 26 min
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31
Continue on South State Highway 6
11.2 mi · 12 min · South State Highway 6
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32
Take the exit slight right toward TX OSR
1377 ft · 38 sec
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33
Continue on South State Highway 6
1334 ft · 37 sec · South State Highway 6
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34
Turn right onto West Old San Antonio Road
8 mi · 10 min · West Old San Antonio Road
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35
Turn right
36.6 mi · 40 min
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36
Take the exit slight right
874 ft · 24 sec
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37
Keep slight left
31 m · 3 sec
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38
Turn left onto United States Highway 77
26.9 mi · 31 min · United States Highway 77
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39
Continue on North Jefferson Street
2.7 mi · 3 min · North Jefferson Street
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40
Continue on South US Highway 77
24.7 mi · 28 min · South US Highway 77
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41
Continue on US 77
6.8 mi · 8 min · US 77
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42
Continue on United States Highway 77
1141 ft · 15 sec · United States Highway 77
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43
Continue on North Texana Street
1.3 mi · 2 min · North Texana Street
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44
Turn right onto West 4th Street
1409 ft · 20 sec · West 4th Street
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45
Continue on Fairwinds Street
2010 ft · 29 sec · Fairwinds Street
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46
Turn left onto United States Highway 77
39.9 mi · 45 min · United States Highway 77
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47
Take the exit slight right
85 m · 8 sec
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48
Turn straight onto Northeast Zac Lentz Parkway
123 m · 8 sec · Northeast Zac Lentz Parkway
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49
Take the ramp straight
1765 ft · 43 sec
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50
Merge slight left onto Northeast Zac Lentz Parkway
1.4 mi · 2 min · Northeast Zac Lentz Parkway
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51
Continue on Northwest Zac Lentz Parkway
11.9 mi · 13 min · Northwest Zac Lentz Parkway
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52
Take the exit slight right
2991 ft · 1 min
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53
Turn left
52 m · 7 sec
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54
Turn right onto US Highway 77 South
34 mi · 39 min · US Highway 77 South
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55
Turn straight onto Alamo Street
37.1 mi · 43 min · Alamo Street
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56
Take the exit straight toward I 37, US 77, I 69E
538 ft · 13 sec
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57
Keep slight left
1965 ft · 48 sec
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58
Merge slight right
2.5 mi · 2 min
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59
Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville
31.3 mi · 34 min
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60
Keep slight left to continue on U.S. Highway 77
61.3 mi · 1 hr 9 min · U.S. Highway 77
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61
Keep slight left to continue on U.S. Highway 77
43.7 mi · 47 min · U.S. Highway 77
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62
Continue on North Expressway
2.1 mi · 2 min · North Expressway
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63
Keep slight right to continue on Interstate 169
3.7 mi · 4 min · Interstate 169
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64
Continue on I-169, TX 550 Toll
1.3 km · 52 sec · I-169, TX 550 Toll
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65
Continue straight
2 mi · 2 min
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66
Continue on State Highway 550
3.7 mi · 4 min · State Highway 550
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67
Turn left
1123 ft · 27 sec
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68
Merge slight left onto Brownsville-Port Isabel Highway
14.1 mi · 16 min · Brownsville-Port Isabel Highway
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69
Turn right onto State Highway 100
1 mi · 3 min · State Highway 100
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70
Turn slight right onto West Queen Isabella Boulevard
779 ft · 24 sec · West Queen Isabella Boulevard
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71
Turn right onto South Musina Street
865 ft · 25 sec · South Musina Street
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72
Arrive at your destination
0 m · 1 sec · South Musina Street
Car Route Details
A richer read on the saved driving route between Garland and Port Isabel.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn straight
75.4 mi · 01h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Garland and Showers And Thunderstorms Likely near Port Isabel.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Garland to Port Isabel?
The road trip is about 652 miles (1049.3 km) and usually takes 12h 33m 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?
La Grange is a useful midpoint, sitting about 326.5 miles from Garland and 325.5 miles from Port Isabel.
How much longer is the road route than the straight-line distance?
The direct path is about 536.2 miles (863 km), while the road route adds roughly 115.8 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 $86.95 one way or $173.91 round trip. Estimated CO2 is about 204.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Garland and Showers And Thunderstorms Likely near Port Isabel.
Stop Ideas Near La Grange
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 Grange.
Prairie View, TX
Taylor
Austin
Bryan, TX
Flight Path Map
This map shows the direct air route between Garland and Port Isabel. Straight-line distance: 536.27 mi (863.04 km).
#1 Garland
The fourth most populous city in Texas.
| Population | 238,139 |
| Coordinates | 33.5165000, -94.6693800 |
| Altitude | 117 |
| Country | United States |
#2 Port Isabel
City in Cameron County, Texas, United States
| Population | 6,226 |
| Coordinates | 26.0734100, -97.2085800 |
| Altitude | 2 |
| Country | United States |
End: Port Isabel (-97.20858, 26.07341)
Estimated Travel Time
Distance: 1049 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 21h 43m |
| 40 mph (64.37 km/h) | 16h 18m |
| 50 mph (80.47 km/h) | 13h 02m |
| 60 mph (96.56 km/h) | 10h 52m |
| 70 mph (112.65 km/h) | 09h 18m |
| 80 mph (129 km/h) | 08h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $86.95 | $173.91 |
| Mid-grade | $4.25 | $97.84 | $195.68 |
| Premium | $4.59 | $105.64 | $211.28 |
| Diesel | $3.99 | $91.88 | $183.76 |
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 · 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.