Miles between Thornton, CO and Lewisville, TX

There are
763 mi
from Thornton, CO to Lewisville, TX

That's the driving distance. It would take 14 hours 11 mins to go from Thornton, Colorado to Lewisville, Texas.

The flight distance (direct flight from Thornton, CO to Lewisville, TX) is 646.52 mi.

763 mi = 1,228.47 kms