Miles between Boulder, CO and Donna, TX

There are
1,203 mi
from Boulder, CO to Donna, TX

That's the driving distance. It would take 21 hours 34 mins to go from Boulder, Colorado to Donna, Texas.

The flight distance (direct flight from Boulder, CO to Donna, TX) is 1,042.90 mi.

1,203 mi = 1.61 kms