Miles between San Antonio, TX and St Charles, IL

There are
1,185 mi
from San Antonio, TX to St Charles, IL

That's the driving distance. It would take 22 hours 4 mins to go from San Antonio, Texas to St Charles, Illinois.

The flight distance (direct flight from San Antonio, TX to St Charles, IL) is 1,033.61 mi.

1,185 mi = 1.61 kms