Miles between Thornton, CO and Brownsville, TX

There are
1,218 mi
from Thornton, CO to Brownsville, TX

That's the driving distance. It would take 21 hours 47 mins to go from Thornton, Colorado to Brownsville, Texas.

The flight distance (direct flight from Thornton, CO to Brownsville, TX) is 1,056.92 mi.

1,218 mi = 1,960.45 kms