Miles between Katy, TX and Mt Vernon, IL

There are
837 mi
from Katy, TX to Mt Vernon, IL

That's the driving distance. It would take 15 hours 2 mins to go from Katy, Texas to Mt Vernon, Illinois.

The flight distance (direct flight from Katy, TX to Mt Vernon, IL) is 709.73 mi.

837 mi = 1,346.31 kms