10 hrs.
about 9 hours
Driving from Dallas, TX to South Padre Island, TX takes approximately 8 hours 18 minutes depending on the traffic. The distance is 560.3 miles.
6 and 1/2 hours
6 and 1/2 hours
292 miles
5 minutes
It is about 1,540 miles so plan on 24 hours of driving time.
The shortest route by taking I-35 is about 554 miles and would take about 9 hours and 16 minutes to drive it.
25 hours
The area of the Gulf of Mexico that would be nearest Dallas is about a 5 hour drive and would be in the Glaveston area. The Southernmost part of the Gulf of Mexico that is adjacent to Texas is a 10 hour drive and that would be South Padre Island.
It takes about 30-40 minutes depending on the traffic on the bridge and in Port Isabel.
It is 292 miles according to Google Maps.