Distance from San Antonio to Grand Prairie, Texas: ~296 Miles via I-35

The driving distance from San Antonio to Grand Prairie (Dallas-Fort Worth metroplex) is approximately 296 miles (476 km) via Interstate 35 North.

• Driving Time: 4.5–5 hours (normal traffic).
• Route: I-35N through New Braunfels, San Marcos, Austin, Waco, Hillsboro, Waxahachie → I-20E or I-30E to Grand Prairie.
• Fuel: ~$40–$50 (25 mpg, $3.50/gal).
• Tolls: None on I-35 (SH-130 toll bypass around Austin optional).

Grand Prairie sits between Dallas and Fort Worth; major employers include Lockheed Martin, Bell Helicopter, and the GP Grand Prairie Premium Outlets. Traffic in Austin (I-35 bottleneck) and DFW metroplex can add 30–60+ minutes at peak times.