Miles between Boulder, CO and Brownsville, TX

There are
1,236 mi
from Boulder, CO to Brownsville, TX

That's the driving distance. It would take 22 hours 7 mins to go from Boulder, Colorado to Brownsville, Texas.

The flight distance (direct flight from Boulder, CO to Brownsville, TX) is 1,073.11 mi.

1,236 mi = 1.61 kms