There are
1,202 mi
from San Antonio, TX to Algonquin, IL
That's the driving distance. It would take 22 hours 32 mins to go from San Antonio, Texas to Algonquin, Illinois.
The flight distance (direct flight from San Antonio, TX to Algonquin, IL) is 1,047.85 mi.
1,202 mi = 1.61 kms