Distance from ZIP 78578 to 78597
Port Isabel, TX → South Padre Island, 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 78578 (Port Isabel, TX) and 78597 (South Padre Island, 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.