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288 miles taking this route:

  1. Take SH-100 WEST from Port Isabel to U.S. 77. Turn right onto U.S. 77 NORTH.
  2. Take U.S. 77 NORTH to I-37 NORTH to SAN ANTONIO.
  3. Take I-37 NORTH to San Antonio.
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13y ago
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Q: How many driving miles between Port Isabel TX and San AntonioTX?
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