How far is Port Isabel, TX from Fort Worth, TX?

The driving distance from Port Isabel, TX to Fort Worth, TX is about 561.2 miles (903.2 km), with a travel time of about 08h 04m by car.

  • The straight-line flight distance is about 459.6 miles (739.7 km).
  • For a round trip, plan for roughly 16h 09m 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
561.22 mi
08h 04m
Flight
459.66 mi
739.75 km direct

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

Learn Distance

Choose another destination from Port Isabel.

Flight Distance

Direct air line
459.66 mi
Kilometers
739.75 km
Flight Time
00h 55m

Driving Distance

Road route
561.22 mi
Kilometers
903.19 km
Drive Time
08h 04m

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 04m.

Arrival Snapshot
Arrive in Fort Worth
Sun, Apr 19, 6:13 PM CDT
Return by in Port Isabel
Mon, Apr 20, 2:18 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Port Isabel
2026-04-19T10:08
Arrive Fort Worth
Sun, Apr 19, 6:13 PM CDT
Route Timing
08h 04m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
2:05 PM to 3:35 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
7:50 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Port Isabel
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
Nixon
TX

37th President of the United States of America (1913-1994)

From Port Isabel
267.9 mi
04h 02m
To Fort Worth
293.3 mi
04h 02m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Sunday

Showers And Thunderstorms Likely

Starts
Sun, Apr 19 6:00 AM CDT
Wind
15 to 21 mph NE
Destination
73°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
5 to 10 mph NE

Driving Route Map

The map below follows the saved road route between Port Isabel and Fort Worth.

Turn-by-Turn Driving Directions

Step-by-step road directions between Port Isabel and Fort Worth.

  1. 1

    Start on South Musina Street

    985 ft · 33 sec · South Musina Street

  2. 2

    Turn left onto West Queen Isabella Boulevard

    741 ft · 23 sec · West Queen Isabella Boulevard

  3. 3

    Turn straight onto State Highway 100

    1 mi · 3 min · State Highway 100

  4. 4

    Turn left

    14.1 mi · 15 min

  5. 5

    Take the exit slight right toward TX 550

    936 ft · 23 sec

  6. 6

    Keep slight right to continue on TX 550

    14 m · 1 sec

  7. 7

    Turn right onto State Highway 550

    3.6 mi · 4 min · State Highway 550

  8. 8

    Continue straight

    1.9 mi · 2 min

  9. 9

    Continue on I-169, TX 550 Toll

    1.5 km · 59 sec · I-169, TX 550 Toll

  10. 10

    Continue on Interstate 169

    3.6 mi · 4 min · Interstate 169

  11. 11

    Merge slight left onto North Expressway

    2.2 mi · 2 min · North Expressway

  12. 12

    Continue on U.S. Highway 77

    102 mi · 1 hr 53 min · U.S. Highway 77

  13. 13

    Keep slight left

    1157 ft · 14 sec

  14. 14

    Merge slight right

    1.2 mi · 1 min

  15. 15

    Continue on U.S. Highway 77

    11.6 mi · 13 min · U.S. Highway 77

  16. 16

    Take the exit slight right

    1410 ft · 34 sec

  17. 17

    Turn straight onto US Highway 77 Frontage Road

    148 m · 18 sec · US Highway 77 Frontage Road

  18. 18

    Turn right onto County Road 10

    1 mi · 4 min · County Road 10

  19. 19

    Turn left onto County Road 79

    4 mi · 16 min · County Road 79

  20. 20

    Turn left onto County Road 18

    848 ft · 44 sec · County Road 18

  21. 21

    Turn sharp right

    1.1 mi · 3 min

  22. 22

    Take the ramp straight

    2351 ft · 57 sec

  23. 23

    Merge slight left onto Driscoll Bypass

    2.3 mi · 2 min · Driscoll Bypass

  24. 24

    Continue on U.S. Highway 77

    13.2 mi · 14 min · U.S. Highway 77

  25. 25

    Merge slight left

    1.4 mi · 1 min

  26. 26

    Keep slight left

    1.3 mi · 1 min

  27. 27

    Continue straight

    18.3 mi · 18 min

  28. 28

    Take the exit slight right toward TX 359: Mathis, Skidmore

    1275 ft · 33 sec

  29. 29

    Turn right onto State Highway 359

    12.4 mi · 17 min · State Highway 359

  30. 30

    At the end of the road, turn left onto South 8th Street

    1.3 km · 56 sec · South 8th Street

  31. 31

    Continue on US Highway 181 South

    40.2 mi · 46 min · US Highway 181 South

  32. 32

    Continue on South Sunset Strip Drive

    1.2 mi · 1 min · South Sunset Strip Drive

  33. 33

    Turn right onto West Main Street

    1.2 km · 1 min · West Main Street

  34. 34

    Keep slight left to continue on East Main Street

    71 m · 4 sec · East Main Street

  35. 35

    Continue on Helena Road

    8.4 mi · 11 min · Helena Road

  36. 36

    Turn straight onto State Highway 80

    23.6 mi · 26 min · State Highway 80

  37. 37

    Continue on South Nixon Avenue

    1 mi · 2 min · South Nixon Avenue

  38. 38

    Continue on State Highway 80 North

    30.8 mi · 35 min · State Highway 80 North

  39. 39

    Continue on US 183

    10.1 mi · 12 min · US 183

  40. 40

    Continue on South Colorado Street

    4.9 mi · 9 min · South Colorado Street

  41. 41

    Continue on United States Highway 183

    1282 ft · 17 sec · United States Highway 183

  42. 42

    Keep slight left to continue on TX 130 Toll North: Austin, Waco

    2447 ft · 35 sec

  43. 43

    Merge slight left onto Pickle Parkway

    58.5 mi · 55 min · Pickle Parkway

  44. 44

    Keep slight left to continue on I 35 North: Waco

    2045 ft · 50 sec

  45. 45

    Merge slight left onto Purple Heart Trail

    64.7 mi · 1 hr 6 min · Purple Heart Trail

  46. 46

    Continue on South Jack Kultgen Expressway

    6.6 mi · 8 min · South Jack Kultgen Expressway

  47. 47

    Continue on Purple Heart Trail

    33 mi · 33 min · Purple Heart Trail

  48. 48

    Keep slight left to continue on I 35W: Fort Worth

    49.2 mi · 52 min

  49. 49

    Take the exit slight right toward Allen Avenue

    1435 ft · 35 sec

  50. 50

    Turn straight onto South Freeway

    540 ft · 18 sec · South Freeway

  51. 51

    Turn left onto East Allen Avenue

    64 m · 13 sec · East Allen Avenue

  52. 52

    Turn left onto South Freeway

    79 m · 5 sec · South Freeway

  53. 53

    Arrive at your destination

    0 m · 1 sec · South Freeway

Car Route Details

A richer read on the saved driving route between Port Isabel and Fort Worth.

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
53 steps
16 turns on the saved route
Ramps & Exits
11
6 merges, 5 ramps or exits
Navigation Density
9.4 / 100 mi
Decision points by distance
Main Roads
U.S. Highway 77
149 mi · 27%
Purple Heart Trail
97.7 mi · 17%
Pickle Parkway
58.5 mi · 10%
I 35W
49.2 mi · 9%
US Highway 181 South
40.2 mi · 7%
State Highway 80 North
30.8 mi · 5%
Longest Stretch

U.S. Highway 77

Continue on U.S. Highway 77

102 mi · 01h 53m

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 04m
Overnight route
Same-Day Return
16h 10m
Round-trip wheel time
Road vs Air
+101.6 mi
459.6 mi direct line
Halfway Stop
Nixon
04h 02m from Port Isabel
Leave By
7:50 PM CDT
Overnight-style route
Weather Watch

Showers And Thunderstorms Likely leaving Port Isabel and Mostly Sunny near Fort Worth.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Port Isabel to Fort Worth?

The road trip is about 561.2 miles (903.2 km) and usually takes 08h 04m 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?

Nixon is a useful midpoint, sitting about 267.9 miles from Port Isabel and 293.3 miles from Fort Worth.

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

The direct path is about 459.6 miles (739.7 km), while the road route adds roughly 101.6 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 $74.82 one way or $149.65 round trip. Estimated CO2 is about 176 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around Port Isabel and Mostly Sunny near Fort Worth.

Stop Ideas Near Nixon

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

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

RAIL

San Marcos Station

70 mi away
338 South Guadalupe St.
RAIL

San Antonio Station

71 mi away
350 Hoefgen Street
RAIL

Austin

111 mi away
250 North Lamar Blvd.

Flight Path Map

This map shows the direct air route between Port Isabel and Fort Worth. Straight-line distance: 459.66 mi (739.75 km).

Port Isabel

#1 Port Isabel

City in Cameron County, Texas, United States

Population6,226
Coordinates26.0734100, -97.2085800
Altitude2
CountryUnited States
Fort Worth

#2 Fort Worth

The twelfth most populous city in the United States and the center of the Dallas-Fort Worth metropolitan area.

Population927,720
Coordinates32.7254100, -97.3208500
Altitude199
CountryUnited States
Start: South Musina Street (-97.208629, 26.073379)
End: South Freeway (-97.320871, 32.725411)

Estimated Travel Time

Distance: 903 km by road

SpeedTime
30 mph (48.3 km/h)18h 41m
40 mph (64.37 km/h)14h 01m
50 mph (80.47 km/h)11h 13m
60 mph (96.56 km/h)09h 21m
70 mph (112.65 km/h)08h 01m
80 mph (129 km/h)07h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
19.8 gal
74.96 L · about $74.82
Round trip
$149.65
39.6 gal · 149.92 L
Estimated CO2
176 kg one way
Round trip: 351.9 kg / 776 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $74.82 $149.65
Mid-grade $4.25 $84.19 $168.38
Premium $4.59 $90.90 $181.80
Diesel $3.99 $79.06 $158.12

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

There is no time difference between Port Isabel and Fort Worth. The current time is 10:08:42.

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.