Miles between Katy, TX and Boulder, CO

There are
1,030 mi
from Katy, TX to Boulder, CO

That's the driving distance. It would take 18 hours 56 mins to go from Katy, Texas to Boulder, Colorado.

The flight distance (direct flight from Katy, TX to Boulder, CO) is 885.43 mi.

1,030 mi = 1,658.41 kms