There are
1,106 mi
from Schaumburg, IL to Leander, TX
That's the driving distance. It would take 20 hours 28 mins to go from Schaumburg, Illinois to Leander, Texas.
The flight distance (direct flight from Schaumburg, IL to Leander, TX) is 958.88 mi.
1,106 mi = 1.61 kms