How far is San Antonio, Texas from the Gulf of Mexico?

Going from San Antonio, Texas to Padre Island, on the Gulf of Mexico is 160 miles, and would take about 2 hours and 49 minutes to drive via I-37 S. If you take US-181 S it's 168 miles and would take 3 hours and 5 minutes to drive. Finally, if you combined them, taking US-181 S and I-37 S it's 177 miles and would take about 3 hours and 15 minutes to drive. Straight down I-37 S seems like the best bet!

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