Miles between Thornton, CO and Portland, TX

There are
1,092 mi
from Thornton, CO to Portland, TX

That's the driving distance. It would take 19 hours 27 mins to go from Thornton, Colorado to Portland, Texas.

The flight distance (direct flight from Thornton, CO to Portland, TX) is 936.56 mi.

1,092 mi = 1.61 kms