Distance from ZIP 78597 to 78578
South Padre Island, TX → Port Isabel, TX
Straight Line Distance
15 miles
24 km
Great circle distance between ZIP code centers
Driving (est.)
≈ 16min
At 90 km/h average. Actual road distance is typically 15-30% longer.
Flying (est.)
≈ 47min
At 850 km/h cruise plus takeoff and landing.
Route Map
Frequently Asked Questions
The straight-line distance between ZIP code 78597 (South Padre Island, TX) and 78578 (Port Isabel, TX) is 15 miles (24 km).
Driving takes approximately 16min at an average speed of 90 km/h. Actual road distance is typically 15-30% longer than the straight line.