There are
1,189 mi
from Mt Prospect, IL to Schertz, TX
That's the driving distance. It would take 21 hours 59 mins to go from Mt Prospect, Illinois to Schertz, Texas.
The flight distance (direct flight from Mt Prospect, IL to Schertz, TX) is 1,038.78 mi.
1,189 mi = 1,913.75 kms