There are
889 mi
from Flower Mound, TX to Yorkville, IL
That's the driving distance. It would take 16 hours 42 mins to go from Flower Mound, Texas to Yorkville, Illinois.
The flight distance (direct flight from Flower Mound, TX to Yorkville, IL) is 761.42 mi.
889 mi = 1,430.22 kms