Miles between Pasadena, TX and Thornton, CO

There are
1,039 mi
from Pasadena, TX to Thornton, CO

That's the driving distance. It would take 18 hours 59 mins to go from Pasadena, Texas to Thornton, Colorado.

The flight distance (direct flight from Pasadena, TX to Thornton, CO) is 893.96 mi.

1,039 mi = 1,671.46 kms