Driving distance from San Antonio, TX to Alton, IL is 945 miles (1521 km). How far is it from San Antonio, TX to Alton, IL? It's a 16 hours 00 minutes drive by car. Flight distance is approximately 808 miles (1300 km) and flight time from San Antonio, TX to Alton, IL is 01 hours 37 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.
To travel the distance from San Antonio, TX to Alton, IL, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.
Choose a place to stay while traveling from San Antonio, TX to Alton, IL. We also offer Car Rental widget for your particular journey. There are lots of options to choose from. Give it a try.
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